Harvard scientist Avi Loeb claims the interstellar object 3I/ATLAS may be alien technology sent to seed life on Earth, sparking a debate with sceptics who insist it is merely a comet.

Astronomers thought they had seen the "first hints of life on an alien world" this year, but they disappeared under closer ...

According to popular media, the search for alien life involves advanced technology, space exploration and sometimes even government conspiracies and secret programs. But according to University of ...

The search for alien life has moved from planets to moons. This video dives into the hidden, globe-spanning oceans beneath the icy crusts of Jupiter's moon Europa and Saturn's moon Enceladus. We ...

Humans are finally building the technology that could tell us where to look, when to look, and what signs to watch for. What might we find? Why does it matter? There’s a space-age joke about a man who ...

After years of hard work and seven minutes of terror, workers of NASA's Jet Propulsion Laboratory here let out their tears of joy. According to Star Trek lore, it is only 51 years until humans ...