Interstellar comet passing by Mars seen in rare images
The images taken by two Mars orbiters show a bright, fuzzy white dot of the comet, also known as 3I/ATLAS, appearing to move against a backdrop of distant stars.
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The images taken by two Mars orbiters show a bright, fuzzy white dot of the comet, also known as 3I/ATLAS, appearing to move against a backdrop of distant stars.
The sun has become more and more active over the last 16 years, in a turn that surprised scientists and could affect space weather, NASA said.
NASA's Mars rover Perseverance has uncovered rocks in a dry river channel that may hold potential signs of ancient microscopic life.
Discovered last month by a telescope in Chile, the comet known as 3I-Atlas is only the third known interstellar object to pass our way.
A Pittsburgh-area native is piloting the SpaceX Falcon 9 flight to the International Space Station.
About 3,870 employees have applied to depart NASA over two rounds through the Trump administration's deferred resignation program, the agency disclosed.
You've heard the phrase "Dog Days of Summer," but you'd be surprised to learn it has nothing to do with our furry friends.
The latest selfie by NASA's Perseverance rover at Mars has captured an unexpected guest: a Martian dust devil.
The 2024 YR4 asteroid has a near-zero chance of striking Earth, but a slim chance of hitting the moon, new research says.
Starliner astronauts Butch Wilmore and Suni Williams joined Crew 9 commander Nick Hague and cosmonaut Alexander Gorbunov for their long-awaited return to Earth.
2024 YR4 now has roughly a 0.004% chance of hitting Earth in about eight years, NASA said.
Astronomers will use the Webb telescope to closely monitor the size and trajectory of an asteroid that has a slim chance of hitting Earth in 2032.
The Wolf Moon will appear full for three days, starting Sunday evening and into Wednesday morning.
NASA's Parker Solar Probe hurtled through the sizzling solar atmosphere and passed within a record-breaking 3.8 million miles of the sun's surface.
Scientists now have a clearer picture of Camp Century, an abandoned U.S. military base long hidden under the ice in Greenland, thanks to a NASA research team's good luck.
The ambitious mission won't actually look for life on Jupiter's moon Europa, but it should find out if the presumed ocean provides a habitable environment.
This week's full moon is called the Hunter's Moon. It's also a supermoon, which is expected to be the brightest one of the year so far.
Images from space show the progress of Hurricane Milton towards the western coast of Florida.
Crew Dragon's two astronauts will join two Starliner fliers for a five-month tour of duty aboard the International Space Station.
Splashdown northwest of Key West, Florida, closed out a mission highlighted by the first non-government civilian spacewalk.
The first-ever commercial spacewalk happened on Thursday and here on Earth, a Pittsburgh astronaut inspired the next generation.
Dr. Jimyse Brown and Mike Hennessy, from the Moonshot Museum, joined us to talk more about a pair of NASA astronauts who will be staying solar until the new year.
The Starliner's two-person crew now will stay in space until next February and return to Earth aboard a SpaceX Crew Dragon.
August's full moon, a rare blue moon and supermoon, is lighting up the night sky this week. Here's what time it peaks and where you should look.
The full moon, also known as the Thunder Moon, will last three days, peaking on Sunday morning.
Many students in Pittsburgh are doing great work and research at many of the city's universities.
West Virginia Gov. Patrick Morrisey said the family expects Andrew Wolfe to be in acute care for another two to three weeks.
Penn State is nearing a deal to name Iowa State's Matt Campbell as its next head football coach, according to reports.
A CDC vaccine panel voted to stop recommending the birth dose of the hepatitis B vaccine.
A rare glimpse at an "elusive" bobcat was captured on camera at a park in Ohio.
Many students in Pittsburgh are doing great work and research at many of the city's universities.
West Virginia Gov. Patrick Morrisey said the family expects Andrew Wolfe to be in acute care for another two to three weeks.
Penn State is nearing a deal to name Iowa State's Matt Campbell as its next head football coach, according to reports.
A CDC vaccine panel voted to stop recommending the birth dose of the hepatitis B vaccine.
A rare glimpse at an "elusive" bobcat was captured on camera at a park in Ohio.
A Pittsburgh attorney has filed a petition on behalf of the family of a Colombian man killed in a U.S. military strike on a boat in the Caribbean.
Republican Rep. Brian Fitzpatrick said he was readying a plan that would extend the Affordable Care Act subsidies for two years.
President Trump, facing criticism that he's focused more on international issues than kitchen-table concerns, will rev up his domestic messaging, two GOP sources said.
Authorities say the FBI has arrested a man suspected of placing pipe bombs outside RNC and DNC headquarters on the eve of the Jan. 6, 2021, Capitol riot.
The Trump administration says it will withhold funds for administering SNAP food aid in most Democratic-controlled states starting next week unless they provide data about those receiving the assistance.
Federal funding will finally be available to thousands of families in Pennsylvania to help pay their heating bills.
Electric prices in Pennsylvania are going up next month.
Saturday's grand opening included live music, food, and a meet-and-greet with Lego Master Krist Kay.
Thursday will be the first time many people cook and host Thanksgiving dinner - here's how you can avoid illness and danger.
To much fanfare, the 51st Aldi opened in the Pittsburgh area on Thursday morning.
Heather and David are taking a look back at the week.
The 5th annual PTL Toy Drive is tomorrow!
Downtown Pittsburgh is coming alive with a holiday flair.
For the first time in nearly a quarter century, the Pittsburgh Ballet Theatre is unveiling a brand-new version of "The Nutcracker."
The stars are in town for Steel City Con. Chris DeRose has more about what to expect.
Veterans are outraged after learning about damage done to gravesites at a cemetery in Fayette County.
Artificial intelligence is watching where people park in Pittsburgh.
Drivers who were convicted of infractions years ago are being told to surrender their licenses or file costly appeals because Allegheny County never processed the paperwork.
For most students, the most dangerous part of their day is going to and from school.
Shopping malls are under threat from online shopping and disappearing customers, and many are facing the wrecking ball.
A CDC vaccine panel voted to stop recommending the birth dose of the hepatitis B vaccine.
Western Pennsylvania counties are seeing vaccination rates fall among school-aged children.
The discussion happens every year: shoveling snow can lead to heart attacks, and one AHN cardiologist explains why it's a risk.
A little boy from Delaware County is getting his once-in-a-lifetime wish, just in time for the holidays.
Consumers with the imported pans should throw them away due to the severe health risks posed by lead, the agency warns.
Penn State is nearing a deal to name Iowa State's Matt Campbell as its next head football coach, according to reports.
Western Pennsylvania has historically been a hotbed for producing talent that succeeds in the NFL.
The Panthers and Badgers' 2026 game has been canceled, but the schools will meet in Dublin in 2027.
Skenes and Dunne joined a two-day USO Tour and visited sailors abord the USS Gerald R. Ford and the USS Mahan.
It all starts Friday night at the Petersen Events Center in Oakland.
Members of the Newspaper Guild of Pittsburgh voted last week to end their three-year-long walkout.
Norfolk Southern railroad worked with the state of Ohio and Youngstown State University to revive plans for a $20 million first responder training center near the site of the worst derailment in a decade in East Palestine, Ohio.
A report on the future of water in central Ohio warns that industrial demands for water will skyrocket at the same time experts expect farmers will need to regularly irrigate their fields.
The U.S. Department of Energy says it's loaning $1 billion to help finance the restart of the nuclear power plant on Pennsylvania's Three Mile Island.
A new Barnes & Noble is coming to Pittsburgh.
Vanessa Hudgens and former Pittsburgh Pirates player Cole Tucker welcomed their second child.
Christina Aguilera and Liev Schreiber were spotted at Wednesday's Pittsburgh Penguins game at PPG Paints Arena.
Jimmy Cliff, who famously sang about the "many rivers" we all must cross, has died after suffering a seizure and pneumonia, his family say.
Donald Glover, who performs under the moniker Childish Gambino, revealed he suffered a stroke last year, which forced him to cancel his tour.
Fans of Jeff Goldblum are seeing double.
Many students in Pittsburgh are doing great work and research at many of the city's universities.
A CDC vaccine panel voted to stop recommending the birth dose of the hepatitis B vaccine.
Stay on top of local weather with First Alert Meteorologist Ray Petelin's forecast!
This weekend, Steel City Con has once again returned to the Monroeville Convention Center, bringing out thousands of people for a fun fandom event. KDKA-TV's Chris DeRose reports.
A man is facing charges after police said he sexually abused two students while he was a teacher at Highlands School District, paying one of them over $6,000 to keep quiet. KDKA-TV's Mamie Bah reports.
Pitt's regular season has ended with an 8-4 record.
Pitt's five-game winning streak came to an end with a 37-15 loss to Notre Dame.
Mason Heintschel set a new Pitt freshman single-game passing record in the Pitt win at Acrisure Stadium.
The 44th annual KDKA-TV Turkey Fund will help our neighbors in need have a nice meal for Thanksgiving.
West Virginia scored a late touchdown to tie the game and then beat Pitt in overtime to win the 108th Backyard Brawl.
