Fresh allegations that US intelligence agencies may be secretly holding recovered alien technology have revived one of ...

When Comet 3I/ATLAS entered our solar system last year—only the third known interstellar object to do so—astronomers took ...

New SETI protocols outline how scientists should verify, share, and respond to potential evidence of alien intelligence in ...

Humans have created countless inventions that shape our lives in amazing ways. Some are practical, some are revolutionary, and some are simply fascinating. But if aliens suddenly appeared, which ...