Smithsonian Magazine on MSN
This microscopic fungus survived NASA's sterilization protocols—and is potentially hardy enough to contaminate Mars
As scientists search for life beyond Earth, spacecraft need to avoid accidentally bringing organisms from our home planet to ...
NASA officials have previously spoken of the possibility of extraterrestrial life amid scientific uncertainty while highlighting the agency’s role in collecting evidence for the search of alien life.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results