Scientists continue to look for signs of alien life on Mars, but this scientist truly popularized the idea, claiming to find ...

Turns out evidence of alien life might well have been discovered much closer to home.

Alien life might have flourished in ‘vacation-style beaches’ on Mars, scientists say - Red Planet may have supported alien life for tens of millions of years, scientists say ...

Add Yahoo as a preferred source to see more of our stories on Google. The best reason to send humans to Mars isn’t for guts or glory—or the construction of colonies to safeguard against existential ...