Astronomers have searched the skies for signs of extraterrestrial technology for decades. These searchers since 1960 have ...

How big would a telescope need to be to see Earth’s dinosaurs from 66 million light-years away? Think big—and then think ...

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 ...

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 ...