Add Yahoo as a preferred source to see more of our stories on Google. Mourning and outrage have shaken the nation as mass shootings continue to mark some of the latest chapters of a long history of ...

What is a mass shooting? How do we define it? Is there any point in studying a phenomenon that is impossible to prevent, when the more practical option would be to focus on defensive measures? On ...

Wednesday’s massacre in San Bernardino was the latest mass shooting in America. By some counts — including a heavily cited version — it was the 354th of the year. By a narrower definition, it was the ...

Add Yahoo as a preferred source to see more of our stories on Google. Data shows that a shooting in Southport, North Carolina, was the 378th mass shooting of 2025. The Rockefeller Institute of ...

There is no universal standard for what constitutes a mass shooting, potentially causing discrepancies in data and research among authorities and experts -- and confusion for the average person. "Some ...

A powerful New York Times editorial paints a dispiriting portrait of U.S. gun violence, using three numbers and one calendar. Here's the headline: “477 Days. 521 Mass Shootings. Zero Action From ...