"Eventually, our own Voyager spacecraft will be extraterrestrial artifacts in other stellar systems." ...

Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...

In fact, throughout history there have been numerous reports of supposed alien spacecraft sightings that have turned out to ...

Scientists have discovered a new species of flatworm, the deepest free-living one ever recorded, in the Pacific Ocean's Kuril ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

The question of whether humanity is alone in the universe has fascinated scientists for generations, but few have pursued an ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

Case in point: Scientists from Tokyo University and Hokkaido University in Japan stumbled across some mysterious jet-black ...

Astronomers have recently started looking for black holes bigger than galaxies. Brian Lacki explains how these “stupendously ...

In the latest research, telescope observations of 3I/ATLAS examine its chemical structure and suggest that it took shape in a ...