From the first photographer star to the discovery of alien worlds, these night sky targets mark some of astronomy's greatest ...

Add Yahoo as a preferred source to see more of our stories on Google. This artist’s concept depicts a potential volcanic exomoon between the exoplanet WASP-49Ab, left, and its parent star.

When we imagine alien life in books or on TV, we often think of planets like ours inhabited by extraterrestrial people. The Harry Vanderspeigle’s (Alan Tudyk) of the universe are basically human with ...

Ancient Greeks believed in alien life, as well as in gods, souls, and beings that inhabited the Moon, stars, and Heavens.

A lunar far side experiment finds no alien signals but proves the Moon could offer the quietest listening post yet for future ...

All this thinking about the Moon, as well as the mystique around it and outer space, also has me thinking of Outer Wilds, ...

If you examine our solar system’s giant planets, you’ll notice right away that they’ve all got moons—a lot of moons. While Earth only has the one, Jupiter has about 100 that we know of (and likely ...