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 ...

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 ...

When ET phones home, it could be his last call. Contrary to sci-fi movie depictions, our first contact might not be with a super advanced alien civilization at the height of power. Rather, Ivy League ...

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 ...

Growing up in Portugal, Claudio Manuel Neves Valente stood out for his intellectual potential. In high school, he traveled to national and international physics competitions. He later graduated from ...

The suspected shooter who murdered two Brown University students on Saturday and an MIT physics professor on Monday has been found dead in a New Hampshire storage facility. “Tonight our Providence ...

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 — ...

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 ...

Authorities are continuing to search for the gunman who killed two students at Brown University in Rhode Island, amid speculation over whether he shouted “Allahu Akbar” as he carried out his shooting ...

A shooting at Brown University left at least two students dead and eight wounded. Law enforcement is searching for a male suspect who was reportedly dressed in all black. Officials are asking anyone ...