Sci-fi movie planets for 'Avatar' fans to visit if 'Fire and Ash's return to Pandora has them longing for more vibrant worlds ...

A team of astronomers claims to have sniffed out a “biosignature” in the atmosphere of a distant planet called K2-18b. But not everyone agrees that it signals life. An illustration shows what ...

Did NASA discover city lights on an alien planet? This video explores the implications and details of the findings that ...

Astronomers using the James Webb Space Telescope have made the first 3D map of an alien planet's atmosphere, revealing extreme temperature swings on the exoplanet WASP-18b. When you purchase through ...

Spots were speculated to be everything from alien cities to geysers. — -- Scientists have finally cracked the mystery of the unexplained lights on the dwarf planet Ceres that were speculated to ...

Humans should look to planetary alignments outside of the solar system when searching for signatures of extraterrestrial communications, scientists say. The nascent search for radio transmissions from ...

WASHINGTON (Reuters) -In a potential landmark discovery, scientists using the James Webb Space Telescope have obtained what they call the strongest signs yet of possible life beyond our solar system, ...

The new FX series went to Thailand to film a story that takes place in a hotter, wetter, more ominous world. By Mike Hale Mike Hale, a New York Times television critic, visited the set of “Alien: ...