In September, NASA announced the discovery of a possible sign of life, known as a potential biosignature, on Mars. The Perseverance rover, which has been exploring a dried-up lakebed for years, found ...

A new paper posits that advanced alien civilizations may communicate through subtle flashes, like fireflies do on Earth. The thought experiment suggests that we need to avoid human biases in our ...

In July, researchers using the NASA-funded Asteroid Terrestrial-impact Last Alert System survey telescope in Chile made an exceedingly rare discovery: a mysterious object passing through the solar ...

Authorities said the suspected gunman first opened fire on the street. Authorities said three people suffered minor injuries, including an officer, when a man opened fire at the sheriff's office in ...

WILMINGTON, Del. -- Delaware state police say a trooper was killed in what officials said was an active shooter situation at a DMV facility in New Castle County on Tuesday afternoon. The suspect in ...

GLENDALE, AZ (AZFamily) — The all-clear has been given after reports of a possible active shooter on Luke Air Force Base on Friday morning. Officials with Luke AFB - 56th Fighter Wing posted on ...

Kerry Breen is a news editor at CBSNews.com. A graduate of New York University's Arthur L. Carter School of Journalism, she previously worked at NBC News' TODAY Digital. She covers current events, ...

As the hunt for the Brown University shooter enters its fifth day, students and others are increasingly vexed and frightened that the killer remains at large and the motive is obscure. “How can they ...

“I can’t think of a single incident where the shooter was able to walk away and be completely unknown and still be at large four days later,” a Roger Williams University professor said. PROVIDENCE — ...

Add Yahoo as a preferred source to see more of our stories on Google. Emily Blunt in Disclosure Day. (Universal Pictures) What would you do if you discovered that aliens were real, and a lot closer ...

For decades, science fiction writers have tried their best to prepare us for eventual contact with aliens. Their efforts are dominated by several recurrent tropes. There's the invasion by a warlike ...

The first trailer for legendary filmmaker Steven Spielberg’s next movie, Disclosure Day, is here, and it’s unlike many of his recent projects. The famous director is returning to the world of UFOs and ...