Team members at NASA's Jet Propulsion Laboratory share the challenges of the Curiosity Mars rover's final minutes to landing on the surface of Mars.
Earth has limits on the size of mountains it can support.
The Curiosity Rover on Mars found evidence of a stream bed that would have been suitable on Earth. Now the search is really on for hard evidence of life.
Learn how quakes happen on the Moon and Mars, like earthquakes but with different causes.