Scientists discovered that methyl halides, a gas produced by microbes, could be a biosignature for life on distant planets.

Alien life could be hiding in gases, researchers have said. We could find extraterrestrial beings in gas on faraway planets ...

Artist's concept of a potentially habitable super-Earth orbiting a star called HD 20794. Illustration credit: Gabriel Pérez ...

The James Webb Space Telescope has spotted a 'rogue' cosmic object barrelling through our galaxy without a star, and covered ...

New research published in The Astronomical Journal suggests another explanation for these strange worlds, and they might mirror a planet in our own system. Don't Miss: Today’s deals: $399 iPad ...

The X-ray signal from WD 2226-210 is similar to the X-ray emissions of two other white dwarfs that do not sit within cocoons ...

Astronomers have discovered not one, but four tiny planets orbiting Barnard’s Star, our cosmic neighbor. These planets, each ...

Astronomers have detected mysterious X-ray signals coming from a nearby white dwarf star for more than 40 years. We may now ...

Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar ...

High-pressure experiments generated the first direct observation of plastic ice, which has qualities of both crystalline ice and liquid water.

The gas giant WASP-121b, also known as Tylos, has an atmospheric structure unlike any we have ever seen, and the fastest ...