Quiz: Have you been following the news this week? March 4 edition
It was a raucous week on the campaign trail, but there were big developments elsewhere as well - take our quiz and see how closely you've paid attention
2016 Election
Sunday: Trump, Cruz, Clinton, Priebus, and new Battleground Tracker polls
Tune in for the latest on the chaotic GOP campaign and a fresh batch of survey data ahead of next week's Michigan primary
3 things a President Trump could do to the economy
Immigrant ban, trade sanctions and budget busters prompt belated moves by financial leaders to block businessman's rise
Who won the Republican debate Thursday night?
John Dickerson: I asked Twitter, if they could show their kids the answers of only one candidate, which one would it be?
No evidence of hack in Clinton's email, her former tech aide tells FBI
Clinton's former aide said there is no evidence her emails were hacked, even though hackers with links to Russia did try to gain access to the account
Caitlyn Jenner wants to be Ted Cruz's "trans ambassador"
The reality star calls the GOP candidate "very nice"
2 candidates for same Tenn. race die -- including the winner
By time votes were counted, two of the three candidates vying to be Republican nominee for property assessor in Unicoi County had died
Google searches rise on whether Cruz can beat Trump
The search engine also said searches spiked on the question, "How can I move to Canada?"
Bernie Sanders feels the love in Vermont
Sanders' supporters still squarely behind their candidate despite Super Tuesday gains made by Hillary Clinton
Super Tuesday 2016: Where to find all the results
Follow the results and exit polling data as they come in across the country
Super Tuesday: What you need to know
Here's the CBS News guide for what to watch and how things work on the biggest primary day of the year
Trump's KKK dodge is making the GOP nervous
Republicans are wondering why telling it like it is didn't apply to white supremacists
3 reasons Warren Buffett is optimistic about economy
The billionaire flatly rejects the economic pessimism that the Republican presidential candidates are campaigning on
Democrats gear up for Super Tuesday
Polls are pointing to a very good Super Tuesday for Hillary Clinton; but Sanders hoping for a strong showing in several states
John Kasich seeks to stay above the fray in the 2016 "circus"
The governor of Ohio said he's tired of the name-calling and childishness in the presidential race
What do the turnout numbers so far say about 2016?
The turnout numbers from the first four voting contests are in, and the trends seem to be hurting Sanders and helping Trump
Ahead of Super Tuesday, Clinton scales back contrast with Sanders
Visiting Tennessee on Sunday, Clinton focused more on the Republicans
Sanders tells Austin crowd why he'll beat Trump
While South Carolina voters went to the polls for the Democratic primary, Sanders had rallies in Texas and Minnesota
Trump vs Rubio: Mudslinging gets down and dirty
Republican candidates are hurling the kind of insults more often heard in a schoolyard than in a presidential campaign
Marco Rubio releases tax return summaries
The Florida senator's returns show him and his wife earning $531,000 per year during his first four years in the Senate
Ted Cruz: Trump is "hiding" his tax returns from voters
The media will "make a hayday about any problems" in Trump's taxes during the general election, Cruz tells "Face the Nation"
Clinton hopes S.C. win will sway Super Tuesday voters
Former secretary of state faces off against Sanders in South Carolina Democratic primary
Democrats amused by GOP candidates' antics
The Republican free-for-all overshadowed everything the Democratic presidential candidates did Friday -- and that was just fine with them
Quiz: How well do you know Ted Cruz?
The staunchly conservative Texas senator is one of the final competitors in the GOP race, but how much do you really know about him?
Hillary Clinton brings a message of unity to South Carolina
Traveling the state, Clinton makes her final pitch before the primary on Saturday
Live
U.S., Iran hold first talks since June as Trump threatens annihilation
U.S. and Iranian delegations met on the sidelines of the U.N. General Assembly, rekindling diplomacy amid Trump's threat to "annihilate" the regime.
DOJ defends Trump media ban, citing national security and "professionalism"
The Justice Department claimed that reporting from CNN, MS NOW and Politico raises national security concerns and accused their journalists of failing to act with "professionalism and decorum."
Exclusive
Ukraine ready to sign landmark drone defense deal with U.S., sources say
Sources tell CBS News that Ukraine is ready to sign a landmark drone defense deal with the U.S., as new details of Ukrainian technology helping defend U.S. bases in the Middle East come to light.
Wife of scholar detained in China wants Trump to press Xi to release him
Min Zin, a Myanmar scholar, has been held for more than 100 days at what human rights groups say is a "black site" in China.
Supreme Court stays out of custody dispute between California couple and surrogate
Justice Elena Kagan declined a request from a surrogate to intervene in a custody dispute with a California couple.
Hurricane Polo a very powerful Category 4 storm off Mexico. See its path.
Hurricane Polo intensified rapidly in the Pacific off the southwestern Mexican coast, growing into a Category 5 storm before weakening slightly to a Category 4. Here's the latest on its path.
ICE officer who shot Venezuelan man wasn't wearing body camera, sources say
The ICE officer who shot a Venezuelan delivery driver was not wearing a body camera at the time of the shooting, sources familiar with the investigation told CBS News.
Exclusive
5 moments from Patrick Clancy's 60 Minutes interview
Patrick Clancy sat down with 60 Minutes in New York City for a lengthy conversation about his ex-wife Lindsay Clancy's struggles with mental health, his grief and the social media frenzy surrounding him.
Bone health and the "silent disease": 4 things women should know
In the latest episode of "Healthful," Dr. Jocelyn Wittstein, an orthopedic surgeon at Duke University School of Medicine, discusses what women should know about protecting their bones.
U.S.
More U.S.
DOJ defends Trump media ban, citing national security and "professionalism"
The Justice Department claimed that reporting from CNN, MS NOW and Politico raises national security concerns and accused their journalists of failing to act with "professionalism and decorum."
Meta's Muse shopping agent is a hit, as AI commerce starts to take off
Meta's new AI tool now ranks at the top of the App Store. Some retail experts see a "natural evolution from search."
Andreessen Horowitz launches AI school as college alternative
One of Silicon Valley's most prominent venture investors is gearing its new tech academy toward aspiring entrepreneurs focused on building AI.
Supreme Court stays out of custody dispute between California couple and surrogate
Justice Elena Kagan declined a request from a surrogate to intervene in a custody dispute with a California couple.
What is the White House press pool and how does it work?
President Trump's move to ban CNN, MS NOW and Politico from the White House has highlighted the role of the press pool.
MoneyWatch
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Meta's Muse shopping agent is a hit, as AI commerce starts to take off
Meta's new AI tool now ranks at the top of the App Store. Some retail experts see a "natural evolution from search."
Andreessen Horowitz launches AI school as college alternative
One of Silicon Valley's most prominent venture investors is gearing its new tech academy toward aspiring entrepreneurs focused on building AI.
3 guys hacked OpenAI using a rival Anthropic model. Here's what to know.
Cybersecurity researchers from a small firm called Hacktron in India broke into OpenAI, showing how vulnerable frontier labs are.
Diesel prices just hit a new record. Would a U.S. export ban bring relief?
Some lawmakers want to halt U.S. diesel exports as prices top $6.50 a gallon. But such a ban could have unintended consequences, experts say.
Have an Apple iPhone 15 or 16? How to file a claim for up to $95.
The claims window is open until Dec. 21, 2026. To file a claim, iPhone users must enter basic personal info and their iPhone's serial number.
Politics
More Politics
DOJ defends Trump media ban, citing national security and "professionalism"
The Justice Department claimed that reporting from CNN, MS NOW and Politico raises national security concerns and accused their journalists of failing to act with "professionalism and decorum."
Wife of scholar detained in China wants Trump to press Xi to release him
Min Zin, a Myanmar scholar, has been held for more than 100 days at what human rights groups say is a "black site" in China.
Live
U.S., Iran hold first talks since June as Trump threatens annihilation
U.S. and Iranian delegations met on the sidelines of the U.N. General Assembly, rekindling diplomacy amid Trump's threat to "annihilate" the regime.
Redrawn Missouri congressional map lands before Supreme Court for third time
The fight over Missouri's congressional map returned to the U.S. Supreme Court for a third time after an appeals court ordered the revival of new districts backed by President Trump.
DOJ charges Utah postal worker for allegedly dumping mail ballots in trash
The Justice Department says a U.S. Postal Service letter carrier in Utah threw out more than 300 mail ballots that were being sent to voters for the state's June primary.
HealthWatch
More HealthWatch
Bone health and the "silent disease": 4 things women should know
In the latest episode of "Healthful," Dr. Jocelyn Wittstein, an orthopedic surgeon at Duke University School of Medicine, discusses what women should know about protecting their bones.
Even the smallest joys can help prevent suicide, researchers say
New research highlights common themes shared by people who found reasons to keep living through dark times.
First on CBS
JB Pritzker reveals GLP-1 use, pressed on possible presidential run
Illinois Gov. JB Pritzker revealed to "CBS Mornings" that for the last two years he has been using a GLP-1 medication to lose weight.
Her son was dying, but his rare cancer made it difficult to get the right drug
As knowledge about genetics advances, some doctors say cancers should be defined by their mutations, not the tissues where they manifest.
Her postpartum symptoms wouldn't go away. A brain tumor was to blame.
Lisa Fasone's first pregnancy went smoothly. Then a rare health condition put her dreams of a second child on hold.
World
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Wife of scholar detained in China wants Trump to press Xi to release him
Min Zin, a Myanmar scholar, has been held for more than 100 days at what human rights groups say is a "black site" in China.
Live
U.S., Iran hold first talks since June as Trump threatens annihilation
U.S. and Iranian delegations met on the sidelines of the U.N. General Assembly, rekindling diplomacy amid Trump's threat to "annihilate" the regime.
Ancient wall found under Paris hotel could confirm origins of city
The wall dating from the Gallo-Roman period was discovered beneath a hotel on the Ile de la Cite, a stone's throw from Notre Dame Cathedral.
Venezuela blocks 3 attempts by opposition leader Machado to return, team says
Venezuelan opposition leader María Corina Machado tried 3 times to enter her country "by air and sea but has been turned away each time," her team says.
Exclusive
Ukraine ready to sign landmark drone defense deal with U.S., sources say
Sources tell CBS News that Ukraine is ready to sign a landmark drone defense deal with the U.S., as new details of Ukrainian technology helping defend U.S. bases in the Middle East come to light.
Entertainment
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Entertainment
Hayden Panettiere cause of death revealed
Actress Hayden Panettiere died from an accidental overdose of fentanyl and several other drugs, according to a coroner in South Carolina. Lilia Luciano reports.
Hayden Panettiere died from accidental overdose
A South Carolina coroner revealed Tuesday that actor Hayden Panettiere died from an accidental overdose of several drugs, including fentanyl. CBS News national correspondent Lilia Luciano has more.
Judge Judy reflects on 30-year career
Judith Sheindlin, known on TV as Judge Judy, sits down with "CBS Mornings" to discuss her 30-year career as she passes the torch to her son, Adam.
Grandmaster Flash talks new book on hip-hop
Grandmaster Flash speaks with Nate Burleson about his new book, "Birth of a Culture," where he gives readers an intimate look at his role in the birth of hip-hop.
Hayden Panettiere died from accidental overdose, autopsy finds
An autopsy by the Greenville County Coroner's Office determined Hayden Panettiere's death was due to an accidental overdose of several drugs, including fentanyl.
Technology
More Technology
Technology
Trump to meet with China's XI over AI
President Trump has downplayed the threat posed by artificial intelligence amid growing calls for AI regulation. MIT professor and artificial intelligence expert Max Tegmark weighs in on Mr. Trump's planned meeting with China's Xi Jinping.
How a "swarm" of AI agents hacked a company
Experts are worried about the dangers of "swarms" of AI models coming together to accomplish a complex task for nefarious reasons. CBS News' Megan Cerullo breaks down what this means.
How AI powered robots are helping small farms
From labor shortages to environmental impacts, farmers are looking to AI to help revolutionize the agriculture industry. One California startup, Farm-ng, is tapping into the power of AI and robotics to perform a wide range of tasks, including seeding, weeding and harvesting.
Downloads surge for Meta's new AI agent Muse
Meta's new AI personal assistant, Muse, has reached the top of the U.S. App Store charts, surpassing competitor ChatGPT. CBS News digital reporter Lauren Fichten details how the app's popularity is helping Meta play catch-up in the AI race.
Trump rejects calls to rein in AI
At the U.N. General Assembly on Tuesday, President Trump told world leaders that the U.S. rejects efforts to rein in artificial intelligence. Stephen Witt, a journalist focused on AI, joins "The Takeout" with analysis.
Science
More Science
Science
Neuroscientists grow human brain tissue in mice
Neuroscientists at Stanford University successfully grew human brain tissue inside mice in the hopes of further enabling the development of treatments for brain disorders. Stanford Medicine professor of psychiatry and behavioral sciences Dr. Sergiu Pasca, who led the study, joins CBS News to break down the findings.
New species of wild cat discovered for first time in more than a century
Scientists have discovered a new species of wild cat for the first time in more than a century, a Bolivian researcher says.
Humpback whale seen grieving dead calf in rare footage
The footage shows a female humpback whale staying close to the dead calf as it lies motionless on the seafloor, touching it with its head and fin.
Remains of ancient warhorse given honorific burial discovered in Egypt
Archaeologists say they've discovered the remains of a likely ancient Egyptian warhorse given an honorific burial more than 3,000 years ago.
Anthropic CEO says "exponential" growth of AI is a "warning sign"
Artificial intelligence technology is developing at an "exponential" rate, Anthropic CEO Dario Amodei told CBS News, calling the situation a "warning sign" for the industry that requires serious safeguards.
Crime
More Crime
Crime
Nolan Wells' family demands answers
An attorney for the family of Mississippi teen Nolan Wells is calling for the Department of Justice to step in after a grand jury declined to charge anyone in his drowning death. CBS News' Skyler Henry reports.
Concerns over kids' safety getting off the bus
When a school bus stops to pick up kids, the other cars on the road are supposed to stop with it. But thousands of times a day, they do not. As Mark Strassmann reports, some areas have found a way to crack down.
Hayden Panettiere cause of death revealed
Actress Hayden Panettiere died from an accidental overdose of fentanyl and several other drugs, according to a coroner in South Carolina. Lilia Luciano reports.
Political donations form family tied to suspected Chinese spy
A family tied to a suspected Chinese spy made $4.4 million in donations to California politicians, including Gov. Newsom, a CBS News investigation found. CBS News' Josh Boswell breaks it down.
Man shot by ICE: "I'm not doing well"
Wilber Rafael Garces Perez was shot in the back by an Immigration and Customs Enforcement agent in Austin, Texas. Garces Perez's lawyer says he had a work permit and was seeking asylum but had missed a deportation order sent to an old address. CBS News' Jason Allen reports.
Space
More Space
NASA spacecraft discovers moon crater bigger than Roman Colosseum
Scientists have discovered a crater on the moon that's bigger than the Roman Colosseum, the result of a powerful impact two years ago.
NASA launches its Roman Space Telescope to explore the hidden universe
NASA's Roman Space Telescope launched shortly after daybreak from Kennedy Space Center and blazed toward an observation point 1 million miles away.
Roman Space Telescope promises 300-megapixel views of the cosmos
The $4.3 billion telescope is expected to discover tens of thousands of exoplanets while probing the nature of mysterious dark matter and energy.
First on CBS
Trump to honor Artemis II crew with nation's top space medal
President Trump plans to award the Congressional Space Medal of Honor to the crew of NASA's Artemis II mission in a ceremony Aug. 28.
NASA's Swift telescope will plunge toward Earth after rescue mission called off
The mission to save NASA's sinking space telescope has been called off, dooming the telescope to a fiery reentry later this year.
Latest Galleries
More Latest Galleries
Notable Deaths in 2026
A look back at the esteemed personalities who've left us this year, who'd touched us with their innovation, creativity and humanity.
Dolly Parton: An extraordinary life in pictures
Dolly Parton, the country music legend who became a feminist icon, has died at the age of 80. Here is a look back at her life in pictures.
Investigating the death of designer Sylvie Cachay
Sylvie Cachay was found dead in an overflowing bathtub at the exclusive Soho House in New York City on Dec. 9, 2010. A water leak at the hotel gave away a timeline that may have revealed her killer.
Summer music highlights of 2026
Summer is the time to enjoy live music, indoors and out. Scroll through our gallery of some of 2026's leading musical acts, featuring images by CBS News photojournalist Jake Barlow and photographers Ed Spinelli and Kirstine Walton.
Photos show celebrations at Obama Presidential Center
The Obama Presidential Center, museum and library opens in Chicago with a star-studded grand opening ceremony and public watch party on Midway Plaisance.
Latest CBS News Videos
More Latest CBS News Videos
Latest CBS News Videos
Extended interview: Patrick Clancy
Patrick Clancy wrestles with grief and shares memories of his children in his first interview since his ex-wife Lindsay Clancy's murder trial ended without a verdict.
Bone Loss: A Silent Disease
About half of women over the age of 50 experience bone density loss, but most don't even know they have a problem. That's why Dr. Jocelyn Wittstein calls it a "silent disease." Dr. Wittstein has been at the forefront of understanding how joint pain and joint health evolve over a woman's lifetime. She tells Norah how you can reverse bone loss and what impact hormones have on bone density.
Trump to meet with China's XI over AI
President Trump has downplayed the threat posed by artificial intelligence amid growing calls for AI regulation. MIT professor and artificial intelligence expert Max Tegmark weighs in on Mr. Trump's planned meeting with China's Xi Jinping.
GOP senators push for Trump Jr. investigation
Some Republicans, led by Sen. John Curtis, are pushing for the Senate Judiciary Committee to investigate the business dealings of Donald Trump Jr. and Hunter Biden. Nancy Cordes reports.
Nolan Wells' family demands answers
An attorney for the family of Mississippi teen Nolan Wells is calling for the Department of Justice to step in after a grand jury declined to charge anyone in his drowning death. CBS News' Skyler Henry reports.