The rock, Clinton said, “speaks to us across … billions of years and millions of miles. It speaks of the possibility of life.

A new study suggests Mars could help scientists understand how alien worlds evolve by showing how a once warmer, wetter ...

A photo of a three-sided Martian "pyramid" has sparked discussions on potential advanced life on the Red Planet. Evidence of alien life or cosmic pyramid scheme? A documentary filmmaker sparked a ...

NASA's hunt for alien life may be undermined by its own instruments, according to a group of leading astrobiologists who warn ...

Do aliens exist? Could Earth really be the only planet hosting intelligent life? Debates over the existence of extraterrestrials date back to the earliest Indigenous and western thought. The tools ...

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

NASA's Curiosity Mars rover has discovered never-before-seen organic compounds that may indicate there was once life on the red planet. The nuclear-powered robot uncovered a diverse mix of organic ...