Mourning and outrage have shaken the nation as mass shootings continue to mark some of the latest chapters of a long history of gun violence across the United States. As Americans grapple with these ...

In recent years, it seems Western Pennsylvania has seen more than its fair share of mass shootings. • LA Fitness in 2009. • Western Psych in 2012. • Wilkinsburg in 2016. • Tree of Life in 2018. • ...

Getting your Trinity Audio player ready... Drew Angerer, Getty Images Clark County Sheriff Joe Lombardo briefs reporters Tuesday on the ongoing investigation into Sunday night's mass shooting in Las ...

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 ...

There is no consensus among organizations that track shootings in the U.S. about the definition of "mass shooting" Twenty-one shot dead in Uvalde, Texas. Ten in Buffalo, N.Y. Four in Tulsa, Okla.

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 shooting that took place in Midtown Atlanta on Wednesday has sparked a debate on whether it should be labeled as a mass shooting. While the mayor of Atlanta and other Georgia officials are referring ...

Whatever definition you consider, the instances are too depressingly frequent. From 1966 to 2012, nearly a third of the world’s mass shootings took place in the US. This is according to a study last ...

On Monday morning, many in social media and the news reported that the Las Vegas tragedy is the United States' 273rd mass shooting of 2017. The factoid was widespread throughout Twitter, mentioned on ...

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 ...