NASA's Curiosity rover finds signs of life on Mars

NASA's Curiosity rover has made a groundbreaking discovery on Mars by uncovering pure sulfur crystals within a broken rock.
The rover's latest discoveries, including pure sulfur stones and sprawling mineral "spiderwebs," unravel new mysteries of ...
NASA's Mars Curiosity rover is headed to a peculiar region that, from an orbiter's perspective, looks like a spiderweb spanning miles. The Mini Cooper-sized robotic lab will study an unusual ...