Mars Rover Curiosity Flexes Robotic Arm for First Time

NASA’s Mars rover Curiosity flexed its long robotic arm for the first time on the Red Planet Monday, passing a critical health check with flying colors, mission managers say. The rover unfolded the robotic arm and performed an intricate series of test maneuvers to make sure the 7-foot-long appendage is in good working order. Curiosity’s […]

Mars-Bound Astronauts Could Face Higher Risk of Cancer

Astronauts who travel to Mars one day could be exposed to dangerous levels of radiation during their trip, even if shielding techniques are used, a new study shows. When the Mars Science Laboratory launched on Nov. 26, 2011, it began a 350-million-mile (560 million kilometers) trip to the surface of the Red Planet. During its […]