The search for life beyond Earth has generally focused on places that are as much like our home as possible. That’s why the Kepler space mission has gotten headline after headline after headline in ...

We’ve discovered thousands of exoplanets — but not a single confirmed exomoon. That doesn’t mean they aren’t out there. In ...

WASHINGTON (Reuters) - Astronomers have pinpointed what appears to be the first moon detected outside our solar system, a large gaseous world the size of Neptune that is unlike any other known moon ...

A new study published as a pre-peer-reviewed paper on arXiv and accepted for publication in Astronomy & Astrophysics suggests that a massive gas giant, HD 206893 B, located 133 light-years from Earth, ...

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 ...

For the first time, scientists have directly detected molecules in a Frisbee of gas and dust swirling around an alien gas-giant planet. “I didn’t think this was possible,” says astronomer Sierra Grant ...

A Space: 1999-ish shuttle lands on an under-construction moonbase, where scientists have just found a secret hatch containing… something alien, in this trailer from Moon, a new game coming soon for ...