The first experience that an alien civilization might have of us may not be telecommunications – no ETs watching early The Simpsons episodes. Astronomers have found that up to 200 light-years away, ...

Aliens could, in theory, reach Earth but would never truly go home again, according to physicists who say Einstein's laws of ...

Earth plants could thrive under the light of an alien sun, according to a recent experiment. A team of astrobiologists planted garden cress seeds and cultured dishes of photosynthetic bacteria under ...

Those pesky space aliens are at it again ... or I should say, conspiracy theorists’ hopes, dreams, fantasies and wish fulfillment, along with a ...

Advanced aliens could be chatting with each other using light flashes in plain sight, similar to how fireflies communicate, according to a new study that could lead to new approaches in finding ...

Humans might not know of any intelligent beings beyond Earth, but if they exist, they might already know about us. New research shows that radar systems at commercial and military airports are ...

NASA's Perseverance rover has captured the first-ever photo of "naked eye" auroras on Mars. The alien light show — snapped after the Red Planet was battered by a powerful solar storm last year — is ...