Watch CBS News
Kirk Moore, the principal at Pauls Valley High School in Oklahoma, exclusively told CBS News how he acted on "just instinct" when tackling a school shooter.
Desmond Holly and several school shooters in the past year were active on the same website, the ADL says.
The president said the FSU shooting was "terrible" and a "shame," but suggested new gun laws are unlikely, calling himself a "big advocate of the Second Amendment."
Swedish police say about 10 people have been killed in a shooting at a school for adults in the city of Orebro, including the suspected gunman.
The shooting at Antioch High School in Nashville, Tennessee, happened in the school cafeteria, police said.
The father of Colt Gray, the suspected gunman in the Apalachee High School shooting, has been arrested.
A 14-year-old suspect was taken into custody after the shooting at Apalachee High School, the Georgia Bureau of Investigation confirmed.
Uvalde city officials released a massive trove of audio and video recordings connected to the May 2022 shooting at Robb Elementary School after a legal fight.
A Texas prosecutor has convened a grand jury to investigate the Uvalde school shooting that killed 21 people, multiple media outlets reported.
Parkland student-turned-activist David Hogg is helping launch an organization aimed at ensuring young people have an "inside game" in U.S. politics.
Through their grief, the families of victims have found the strength to demand changes in gun laws, more school safety and greater accountability.
Democrats all the way up to the White House accuse the Tennessee Republicans of focusing on political retribution over efforts to keep children safe.
Police have said that the shooter was extremely prepared for the killings, but no motive has been determined.
"I think we have a shooter at our church," one caller said, later adding: "I'm on the second floor in a room. I think the shooter is on the second floor."
"Our police officers have cried and are crying with Nashville and the world," police chief John Drake said at the vigil.
The assailant had been receiving treatment for an "emotional disorder," Nashville's police chief said.
Two sets of body camera footage show officers search the school before confronting the shooter.
Three 9-year-old students and three staffers were killed in the rampage at The Covenant School, a private Christian grade school. Police say they shot and killed the shooter.
Students were greeted by a line of police officers and other adults who gave them high-fives as they walked into the school.
Conspiracy theorist Alex Jones and his company have been ordered to pay an extra $473 million to families and an FBI agent for calling the 2012 Sandy Hook school shooting a hoax.
A Connecticut jury has begun hearing arguments about how much money conspiracy theorist Alex Jones should pay relatives of victims of the Sandy Hook Elementary School shooting for calling the massacre a hoax.
On Thursday, an organization that's working to stop the violence held a Thanksgiving meal distribution -- a chance for teens from Aurora to give back this holiday season.
Investigators did not name the suspect but said he is a 15-year-old student at Aurora Central High School.
Police in Aurora arrested a teenager in connection with last week's shooting at Nome Park that left 6 Aurora Central Park High School teens injured.
More than $2.8 million in funds from the Antiterrorism and Emergency Assistance Program will go toward helping victims of the 2019 shooting at STEM School in Highlands Ranch.
The free festival celebrating Aurora's international community starts Saturday at 3PM, at the Aurora Municipal Center's Great Lawn.
Most parents assume they get to choose which health insurance plan covers their newborn. For one family, that wasn't the case.
The U.S. men's national soccer team made easy work of Paraguay in its World Cup opener Friday, defeating the South American side 4-1 at SoFi Stadium.
Denver Sheriff Department is warning the public about a scam targeting families of people who have just been arrested.
For most children, kicking a soccer ball around the backyard is an everyday activity. For 6-year-old Hadley McMahon, it's something her family once feared they would never see.
The free festival celebrating Aurora's international community starts Saturday at 3PM, at the Aurora Municipal Center's Great Lawn.
Most parents assume they get to choose which health insurance plan covers their newborn. For one family, that wasn't the case.
Denver Sheriff Department is warning the public about a scam targeting families of people who have just been arrested.
For most children, kicking a soccer ball around the backyard is an everyday activity. For 6-year-old Hadley McMahon, it's something her family once feared they would never see.
Hanbei Bao is a rising senior at Fairview High School, but her love of math and physics goes way beyond the classroom.
Most parents assume they get to choose which health insurance plan covers their newborn. For one family, that wasn't the case.
A pre-evacuation notice was issued Friday afternoon for some residents in northwest Colorado due to a wildfire.
One of the longest paved bike paths in the state is finally complete after 50 years of work to make it a reality. It is 45 miles long and runs from Bellvue to Greeley.
The Colorado city is allowing some fireworks that don't leave the ground to be sold and used between June 15 and July 4.
After Littleton City Council approved a $5.5 million incentive deal to build 1st Street Farms, which was inspired by former Denver Broncos quarterback Peyton Manning, Gastamo Group CEO Pete Newlin spoke about the move with enthusiasm.
The U.S. men's national soccer team made easy work of Paraguay in its World Cup opener Friday, defeating the South American side 4-1 at SoFi Stadium.
Denver Broncos outside linebacker Jonathon Cooper has been arrested for the second time in a week.
Denver Broncos owner and CEO Greg Penner announced that the team has signed a new five-year contract with coach Sean Payton.
The 2026 FIFA World Cup opening ceremony festivities got underway a little over an hour before the first kickoff in Mexico City's Estadio Azteca.
The X Games will take place at the Aspen Snowmass in Colorado over the next three years, thanks to a new host agreement.
The U.S. men's national soccer team made easy work of Paraguay in its World Cup opener Friday, defeating the South American side 4-1 at SoFi Stadium.
The U.S. military has killed Niño Guerrero, the alleged leader of Venezuela-based gang Tren de Aragua, President Trump announced Friday.
Paramount Skydance's $110 billion acquisition of Warner Bros. Discovery would not harm U.S. consumers or weaken competition, DOJ antitrust enforcers said.
A federal appellate court denied a last-minute attempt by the Trump administration to stop the removal of President Trump's name from the Kennedy Center on Friday.
Military planners have discussed contingencies that would involve U.S. forces helping secure Iran's nuclear materials if a deal is reached, according to U.S. officials familiar with knowledge of the ongoing planning.
Three former Colorado Attorneys General are weighing in on what it takes to be the state's chief legal officer, and casting doubt on whether Secretary of State Jena Griswold is qualified.
Colorado Attorney General Phil Weiser has accepted tens of thousands of dollars in campaign contributions that his opponent claims create a conflict of interest.
The U.S. military has killed Niño Guerrero, the alleged leader of Venezuela-based gang Tren de Aragua, President Trump announced Friday.
Paramount Skydance's $110 billion acquisition of Warner Bros. Discovery would not harm U.S. consumers or weaken competition, DOJ antitrust enforcers said.
A federal appellate court denied a last-minute attempt by the Trump administration to stop the removal of President Trump's name from the Kennedy Center on Friday.
For most children, kicking a soccer ball around the backyard is an everyday activity. For 6-year-old Hadley McMahon, it's something her family once feared they would never see.
The New World Screwworm was recently found in Texas and New Mexico. Now, state officials have announced an emergency rule to prevent the spread of the flesh-eating parasite into Colorado.
A sunscreen ingredient that's been available in Europe, Japan and South Korea for years has finally been approved by the FDA for sale in the U.S.
Mishika Bhatia recently graduated high school and well into the research for a treatment for Polyendocrine Metabolic Ovarian Syndrome.
Travel bans and conflict have disrupted supply chains in the Democratic Republic of Congo, leaving health workers without Ebola tests and protective gear needed to contain the outbreak.
Paramount Skydance's $110 billion acquisition of Warner Bros. Discovery would not harm U.S. consumers or weaken competition, DOJ antitrust enforcers said.
Nitenpyram is the first generic animal drug authorized to treat screwworms in dogs and cats, according to federal regulators.
SpaceX's stock closed the day at $160.95 after making its debut on the Nasdaq exchange.
The SpaceX CEO's fortune on paper now rivals the annual economic output of many countries, according to World Bank data.
Colorado's legal marijuana industry was built on a promise: strict regulation would protect businesses and consumers, while tax revenue would support schools, roads and public programs. But one of the state's largest cannabis cultivators says that promise is beginning to break down.
Most parents assume they get to choose which health insurance plan covers their newborn. For one family, that wasn't the case.
Colorado's legal marijuana industry was built on a promise: strict regulation would protect businesses and consumers, while tax revenue would support schools, roads and public programs. But one of the state's largest cannabis cultivators says that promise is beginning to break down.
Brandin Kreuzer, the man whose 50-year prison sentence for shooting a sheriff's deputy was commuted by Colorado's governor, says he is ashamed of the violence he committed as a 19-year-old.
Construction on a much-anticipated 10-acre entertainment district in Glendale has come to a halt, with the developer and the city accusing each other of being responsible for the project going off the rails.
An Aurora fire lieutenant will remain demoted after he and a fellow firefighter ran an Aurora police sergeant off the road with a fire truck last year.