NASA's Curiosity rover has made a groundbreaking discovery on Mars by uncovering pure sulfur crystals within a broken rock.

What can sulfur stones and mysterious patterns on Mars teach us about past liquid water life and the potential for ancient life on the Red Planet? This is what NASA’s Curiosity rover hopes to address ...

The Mars Curiosity rover had to weather a solar storm. Specks seen in the video the rover captured are "caused by charged ...

"The experiments performed by NASA's Viking landers may have accidentally killed Martian life by applying too much water," ...

NASA scientists are hoping to understand the history of where they found the rocks — and for evidence of ancient microbial ...