A new study has found that gun deaths worldwide total about 250,000 yearly and the United States is among just six countries that make up half of those fatalities.

Nearly three-quarters of U.S. school teachers oppose the idea of training certain teachers and staff to carry guns in school buildings.

The Florida House passed the Marjory Stoneman Douglas High School Public Safety Act, which includes several gun control measures.

Walmart Inc is raising the minimum age at which customers could buy firearms and ammunition to 21 years.

Rhode Island Gov. Gina Raimondo signed an executive order establishing a statewide "red flag" policy to help keep guns away from people "who pose a danger to themselves and others."

Most registered voters favor banning the type of semi-automatic weapon used to kill 17 people at Marjory Stoneman Douglas High School in Parkland, Fla.

A USA TODAY review found that the FBI issued more than 4,000 requests last year to retrieve guns from prohibited buyers.

White male gun owners who have lost, or fear losing, their economic footing tend to feel morally and emotionally attached to their guns, according to a Baylor University study.

In the month between the Oct. 1 mass shooting in Las Vegas and the Nov. 5 mass shooting in Sutherland Springs, Texas, Gallup found that 51% of Americans prefer the government pass new gun laws rather than focus only on enforcing the current laws more strictly.

U.S. Attorney General Jeff Sessions has ordered a far-ranging review of the FBI database used to check the backgrounds of prospective gun buyers.