Rover examines changes in Martian atmosphere

Data from NASA's Curiosity rover is helping to explain how Mars may have lost much of its original atmosphere, leaving it with 100 times less than Earth.

Martian soil is similar to Hawaii's

NASA's Curiosity rover has finished its first set of tests on the soil sample it scooped up earlier this month and discovered it's a lot like the volcanic soils of Hawaii.

Video: Curiosity samples Martian soil at Rocknest



NASA's Mars Curiosity rover has successfully collected and sampled a scoopful of sand and powdery material at the "Rocknest" site on the Red Planet.

Curiosity set to scoop sand sample that could reveal ancient life

NASA's Curiosity rover is getting ready to take its first scoop of Martian soil.