Astronomers say that the first rocky planet orbiting an extinct star called a "white dwarf" gives an idea of what the Earth ...

Let's imagine that SETI , the Search for Extraterrestrial Intelligence, receives a signal from aliens approaching Earth.

Historical markers were once just for American history. But many now claim aliens have visited earth from outer space — and ...

Harvard researchers Tim Lomas and Brendan Case, along with Michael Masters from Montana Technological University, have a new ...

The first rocky planet ever spotted orbiting a burned out star called a white dwarf offers a glimpse of what may be in store ...

Astronomers listened for radio signals emanating from planets in the TRAPPIST-1 system, but found no evidence of any ...

In a recent paper, a prominent philosopher argues that increased belief in alien visitation is fast becoming a widespread ...

An international team of astronomers reports the discovery of a new extrasolar world orbiting a nearby star known as HD 86728 ...

The red giant phase is pretty crazy. The star's outer atmosphere can expand to hundreds of times its initial size; some ...

"In any case, planet Earth will only be habitable for around another billion ... Related: Scientists may finally understand ...

If the movie follows the comic it is adapting, Schoenaerts will portray alien antagonist Krem of the Yellow Hills, with Milly ...

Such ancient or non-human beings could reside somewhere inside the Earth or under the oceans, they say.