A rocky world orbiting within its star’s habitable zone may be surrounded by a helium-rich atmosphere, providing the ...

The search for alien life has been boosted after an atmosphere was detected surrounding an Earth-like planet for the first ...

Thomas Mulligan explores the scientific limits and cosmic reach of Earth’s biological signals, revealing how far into the ...

Astronomers have revised the mass of nearby exoplanet GJ 3378 b, recasting it as a rocky super‑Earth in the habitable zone ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration of a watery exoplanet with a red dwarf sun overhead. A new study suggests that the exoplanet GJ 3378b, which ...

Extremophiles that thrive in the most unforgiving environments aren’t just biological curiosities. Understanding their ...

Researchers found this material on the meteorite, which entered Earth's atmosphere moving faster than the speed of sound.

Hollywood makes initiating alien contact seem much easier than it has proven to be. In E.T. the Extraterrestrial, E.T. got ...

A planet with one side permanently roasting and the other frozen in endless darkness might still have a chance of supporting life. Researchers found that heat inside a tidally locked exoplanet could ...

Director Steven Spielberg claimed aliens have already visited planet Earth – and now scientists said he may be on the money, ...

K2-18b is one of the most promising worlds for the search for extraterrestrial life, so astronomers conducted an unusually ...

Forget about ordering expensive scientific gear because sometimes, groundbreaking space discoveries just crash straight ...