Thirty years ago, terraforming Mars wasn’t just hard — it was impossible,” said Erika DeBenedictis, CEO of Pioneer Labs. Now, ...

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

But the latest research tells a different story. Using machine learning and one of the most comprehensive datasets ever ...

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

The authors also noted why colonising Mars would not be good for science. Lanza pointed out that terraforming Mars will ...

A new study posits that dark streaks originally believed to be signs of water on Mars' surface might not be that at all.

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

Scientists have been arguing about the origin of strange streaks on Mars since the earliest missions to the Red Planet.