DNA analysis has revealed that 26 novel species of "extremophile" bacteria were lurking in a clean room that housed NASA's ...

In a surprising discovery, NASA scientists found 26 new bacterial species in a JPL clean room, raising concerns about ...

Accidental contamination shows how even NASA missions can send resilient Earth microbes to other planets, risking false ...

Sterilizing robotic spacecraft to prevent contamination is one thing, but sterilizing human beings is impossible. We are ...

Chinese scientists report that they’ve found a novel bacteria on the Tiangong space station, but can’t confirm if it evolved ...

A new study debates the complex ethical questions that must be considered if we're to terraform Mars and lays the blueprint ...