Rock and dust samples brought back to Earth from the asteroid Bennu contain organic matter and a variety of minerals crucial to the emergence of life ...

“One of the goals [of astrobiology] is to go to [other worlds] and look for microorganisms, but in the meantime there’s so ...

NASA classifies Bennu as a medium-sized asteroid, measuring about one-third of a mile (500 metres) across. While far smaller ...

Rovers sent to Mars have so far failed to detect life, likely because it doesn’t exist on the Red Planet. But we can’t say ...