WASHINGTON (AP) — A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the White House to lead a team of outside scientists to study the national security ...

Astronomers have recently started looking for black holes bigger than galaxies. Brian Lacki explains how these “stupendously ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life.

The Kryptonite knives are out for Supergirl, a movie that while flawed is better than most of the caped stuff that's gotten a ...

The first Subnautica – which I'll call SN1 for simplicity – is an open-world survival crafting game set on an alien ocean ...

China’s Harbin Xinguang Optic-Electronics Technology debuted two man-portable laser weapons at the Defence Information ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

A 56-year-old Buckeye man who authorities say aimed a laser pointer at fighter jets near Luke Air Force Base has been ...

An instrument on the Perseverance rover has identified large, complex carbon compounds alongside unusual patterns on the ...

Instead of searching the skies for radio signals, scientists suggest the first evidence of an extinct alien civilisation ...