What impact do state laws have on gun deaths?
New research suggests when a state has strong firearms laws, both that state and its neighbors could see protective benefits
School Shooting
Teacher responds to accusations of locking students out during massacre
Jim Gard says no one was around when he locked his classroom door during Florida school shooting
Guns and mental illness: How do you judge who shouldn't get weapons?
A psychiatry professor says there are no easy answers when it comes to mental illness and gun violence
6 clues that could help prevent school shootings
After Columbine, a major study by U.S. Secret Service and education officials identified patterns in the planning and behaviors of school shooters
Administration considers expanding mental health treatment
The White House is "actively exploring" ways to help states expand inpatient mental health treatment using Medicaid funds
Melania Trump "heartened" by Florida teen activists
"I have been heartened to see children across this country using their voices to speak out and try to create change," the first lady said
Ivanka Trump weighs in on whether teachers should be armed
Following the deadly shooting in Parkland, Florida, president's daughter says there is "no one solution to creating safety"
GOP congressman optimistic Trump could support assault weapons ban
Rep. Brian Mast, who now supports a ban on assault weapons, tells "Face the Nation" he thinks "we can get the president on board"
She witnessed a school shooting at age 6. Now she writes to the president for change
Jacob Hall, the boy Ava imagined marrying, was shot to death on the school playground in Townville, South Carolina
Parkland community, now at center of gun debate, learning to live in new reality
"I don't want to make a life or death decision, I want to help you so you do your best so you are the best," said teacher Greg Pittman
Teachers return to Parkland high school
Schools and private businesses in the area lined the campus with banners carrying messages of support
What it's like for one teacher who already carries a gun
At least four states are considering legislation that would allow educators to carry a concealed firearm in schools -- and eight states already do
Sheriff: School officer "never went in" during mass shooting
According to the sheriff, school resource officer Scot Peterson was armed and on campus during the shooting at Marjory Stoneman Douglas High School
Bump stock prices soar ahead of potential federal ban
Renewed talk of outlawing the accessories that let semi-automatic weapons fire like an automatic is behind the surge
How teen helped thwart apparent school shooting plot
Angela McDevitt reported friend Jack Sawyer to her high school resource officer after Sawyer allegedly sent her messages about "shooting up" his former school
Trump hosts emotional listening session after Florida school shooting
Trump listened as parents, siblings and friends of victims fought back tears Wednesday talking about the ones they lost and how to prevent future tragedies
"We are coming after you": Survivors descend on Florida Capitol
School shooting survivors enter gun-friendly political climate, where lawmakers have rebuffed gun restrictions
Trump hosting "listening session" amid pressure to act on shootings
The White House session will take place with students, parents and teachers from Parkland, Newtown and Columbine communities
Seventh-grade student shoots self at Ohio school
The student shot himself on a middle school campus Tuesday morning, according to Jackson Township police
Florida lawmakers won't consider assault rifle ban
The motion failed by a 36-71 vote on Tuesday afternoon
Mother of Sandy Hook victim to Florida teens: "Concentrate on the win"
Nicole Hockley lost her son Dylan in the Sandy Hook school shooting five years ago, and now she's sharing her experience with teens in Florida
New details emerge about shooting suspect's gun purchases
Revelation about Nikolas Cruz comes as agencies apparently missed number of warning signs
Lawyer: School shooting suspect may stay away from court
Nikolas Cruz has been charged with 17 counts of premeditated murder in wake of last week's deadly shooting
At least 12 arrests in spate of "copycat" school threats
The threats come in the wake of the Parkland, Fla. school shooting that left 17 dead and 15 injured last week
Remembering the victims of the Florida high school shooting
Family and friends memorialize the 17 victims of the Valentine's Day shooting -- the deadliest school shooting in five years
Details emerge about Charlie Kirk shooting suspect. Here's what we know.
Conservative activist Charlie Kirk was shot and killed on Wednesday while speaking an event at Utah Valley University.
Trump calls on NATO countries to stop buying Russian oil to end Ukraine war
Mr. Trump said that NATO's commitment to winning the war in Ukraine "has been far less than 100%."
Afghanistan and U.S. envoys reach agreement on a prisoner swap, Taliban claims
No information was provided on how many people are being held in each country, who they are or why they were imprisoned.
"No Other Land" director says his West Bank home was raided by Israeli soldiers
"No Other Land" director Basel Adra said Israeli soldiers raided conducted a raid at his West Bank home on Saturday, searching for him and going through his wife's phone.
Venezuela accuses U.S. of seizing fishing boat in Caribbean amid standoff
Venezuela's foreign ministry said nine fishermen were "illegally and hostilely" detained on Friday by the USS Jason Dunham.
Romania scrambles fighter jets after reporting drone incursion
Romania's defense ministry said Saturday that the country's airspace had been breached by a drone during a Russian attack on infrastructure in neighboring Ukraine.
U.N. assembly votes for two-state solution to Israel-Palestinian conflict
The United States, Israel's closest ally, reiterated its opposition to the New York Declaration and the General Assembly resolution endorsing implementation of a two-state solution.
Smoke cloud from meth seized by FBI sickens Montana animal shelter workers
Fourteen animal shelter workers were evacuated and went to the hospital. The shelter's 75 dogs and cats were relocated or put into foster homes.
Uber denies rides to passengers with disabilities, Justice Department says
The Justice Department filed a $125 million lawsuit against Uber, alleging the company discriminates against disabled passengers.