The Etosha Pan in northern Namibia, the largest salt flat in the country, looks otherworldly in this satellite photo.

To support alien life, a planet doesn’t have to be exactly like Earth, but it does need a few key ingredients. First, it should orbit its star at the right distance, where temperatures allow liquid ...

The upcoming Habitable Worlds Observatory should be able to spot the glint of water on habitable planets, and maybe more ...

This summer, exoplanet science — the study of planets orbiting stars beyond our sun — took a big step forwards. Reports of helium gas escaping from the atmosphere of LHS 1140b propelled this exoplanet ...

Astronomers have identified a clue hidden in the light of certain stars that's already led them to discover seven new alien planets, with more expected to come. To be clear, these alien planets likely ...

The newly discovered exoplanets, designated as GJ 9827 b, c and d, are located fairly close to their host star, completing orbits within 6.2 days. ESO A nearby 'super‑Earth' just 25 light years from ...

A NASA mars rover image has sparked wild claims from a UFO researcher that it shows an unexploded alien missile on Mars. NASA - by Dr. Carol Stoker, NASA Ames Research Center, Public Domain, via ...