Mars has long been seen as one of humanity’s best hopes for colonization, but its harsh environment, freezing temperatures, thin atmosphere, and lack of liquid water, has made it an impossible ...

A fungus pulled from NASA cleanrooms kept surviving tests that were meant to mimic nearly every stage of a trip to Mars. That does not mean Mars is about to be seeded with Earth life. However, the ...

Scientists study whether Aspergillus calidoustus could survive Mars-like conditions, raising new concerns about microbes in ...