NASA's Curiosity Mars rover has uncovered a diverse mix of organic molecules on Mars, including chemicals widely considered building blocks for the origin of life on Earth.

NASA's Curiosity rover has uncovered complex organic molecules on Mars, offering new clues about ancient habitability, though scientists say proof of life remains unconfirmed.

Add Yahoo as a preferred source to see more of our stories on Google. We could be one step closer to proving alien existence. In 1996, a group of NASA scientists made a stunning announcement: The discovery of what appeared to be bacterial fossils on Mars.

3:53 p.m.: Perseverance parachute has deployed to help control its descent to Mars. The spacecraft is now traveling at subsonic speeds. Here goes! Lighting the engines on my “jetpack” for final descent. Wheels down in less than a minute.# ...

Has NASA's Perseverance rover at long last found evidence that life did indeed once exist on Mars? Well, after more than four years of scouring the Red Planet's rocky surface, the intrepid rover has finally given scientists the glimmer of hope for which ...

American space agency NASA said it selected the SpaceX Falcon Heavy rocket to launch ESA's Rosalind Franklin rover to Mars in 2028.