This could be why we still haven’t found alien life - Traces left behind by organisms on alien worlds may be too subtle to ...

NASA's hunt for alien life may be undermined by its own instruments, according to a group of leading astrobiologists who warn that current tools and mission designs are likely missing subtle, but ...

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for ...

Suppose there are signs of extraterrestrial life and we have not yet been able to detect them. What does that mean? In Nature ...

A well-known conspiracy theory (also seen in The X-Files) attests that aliens are in communication with the U.S. government, ...

The universe is vast and teeming with stars – but if intelligent life exists, it may not be able to visit Earth.

A Harvard professor said Monday he may have uncovered evidence of alien life in the universe and told Americans it would fundamentally change their understanding of their existence. Harvard Professor ...

President Barack Obama‘s theory that aliens exist got a huge co-signee in Neil deGrasse Tyson. The 64-year-old president said ...

Spielberg’s hotly anticipated new movie gives fresh impetus to a dilemma that has long captured the imaginations of filmgoers, scientists and the great director himself ...

President Donald Trump on Thursday said that he was directing agencies to release files pertaining to “alien and extraterrestrial life.” Trump wrote on Truth Social that “based on the tremendous ...