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 ...

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 ...

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 ...