Scientists have found a hidden biosphere stretching miles beneath Earth’s surface and as deep as 6 miles below the seafloor.

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 risks posed by UFOs ...

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 ...

James Webb uncovered exotic salt clouds surrounding the famous "Pink Planet," solving a long-standing mystery about one of ...

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

God and aliens are having a moment. But what do Christianity and other faiths really teach about ETs?

A strange interstellar comet discovered last year and speculated by a prominent astronomer to be an alien spacecraft could be ...

SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology ...

As for those salt clouds, the salt is not table salt or even Pink Himalayan Rock Salt, though that would go splendidly with ...

GameSpot may receive revenue from affiliate and advertising partnerships for sharing this content and from purchases through links. Alien Isolation 2 is a sequel many players have waited a long, long ...

Many planets in the universe may be hazed in clouds of soot, according to a new study by University of Chicago scientists. According to the analysis, high temperatures and crushing pressures on these ...

Picture a planet with no sunrise and no sunset. One hemisphere is scorched by a star it can never turn away from. The other is locked in permanent night. Between them, colossal winds rip through the ...