So far in 2019, there have been more mass shootings than days in the year. In turn, gun violence costs thousands of lives and an estimated 229 billion dollars each year in the United States. On Monday ...

Editor’s Note: Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Astronomers have been able to “hear” the ...

Roughly 5.8% of students reported carrying a gun during the previous year. As the Supreme Court hears its first firearms case since 2010 this week, new research indicates there's one area in which ...

Less than 15 percent of board members overseeing the nation’s top hospitals have a professional background in healthcare, while more than half have a background in finance or business services, ...