NASA and the European Space Agency plan to bring samples back from Mars. Could they harbor a type of life that scientists warn could trigger mass extinctions on Earth?

NASA has revealed a concept for the next generation of flight on the Red Planet, the "Mars Chopper." Credit: Space.com | animation courtesy: NASA/JPL-Caltech | edited by Steve Spaleta Music: Last Odys ...

Lightning on Mars? Scientists capture crackling sounds on red planet - The striking discovery was made by a NASA rover ...

NATIONWIDE — NASA announced on Wednesday that its Perseverance Mars rover may have found signs of ancient microbial life on the red planet. During a teleconference on Wednesday morning, acting NASA ...

"I was becoming convinced that I hallucinated this show until I found the pilot on YouTube. No one remembers it but me." ...