How would detecting methane help astronomers identify if exoplanets, or even exomoons, have life as we know it, or even as we ...

An international team has confirmed the discovery of a super-Earth orbiting in the habitable zone of a nearby sun-like star.

Scientists believe the exoplanet HD 20794 d, six times the mass of Earth, could harbour liquid water on its surface.

The number of known exoplanets seems to grow every day. Most of them are worlds completely unlike our own. But some get ...

SETI scientists suggest that extraterrestrial civilizations could detect Earth through 'technosignatures' like planetary ...

Using 20 years of data from the Hubble Space Telescope astronomers have discovered that turbulent stars could be corrupting ...

Wolf 359’s extreme radiation and frequent X-ray flares make life-sustaining atmospheres on nearby planets highly unlikely, ...

This artist's concept visualizes a super-Neptune world orbiting a low-mass star near the center of our Milky Way galaxy.

The system is believed to be traveling at least 1.2 million miles per hour (1.93 million kilometers per hour), according to a ...