In a universe as vast as ours, the arrival of a stranger from the dark usually invites wonder; yet for some, it triggers a ...

What: Ultraviolet observations of the interstellar comet 3I/ATLAS captured by NASA’s Europa Clipper spacecraft while the ...

Throughout December, the SETI Institute appeared across leading science and media outlets, reflecting the SETI Institute’s continued leadership in research and public engagement.

Given just how incomprehensibly, unfathomably big the universe is, chances are tiny that Earth is the only planet with life on it. But how would we find others? A new NASA grant has been awarded to ...

WASHINGTON — A Russian billionaire announced July 20 he is pledging $100 million to a private effort to search for signals from extraterrestrial civilizations, a project that will be chaired by a ...

NASA has awarded the SETI Institute in Mountain View, California, a contract to support all phases of current and future planetary protection missions to ensure compliance with planetary protection ...

NASA launched SETI in 1992, building two massive radio telescopes—one in Puerto Rico, the other in California—with the mission to comb the universe looking for signs of life, or at least technology.

It’s pretty hard to have a level-headed conversation about aliens, except if you’re super skeptical, which you should probably be. But if you really want to understand astrobiology, or the science of ...