NASA's two car-sized labs exploring Mars each discovered rocks that neither mission had seen before, revealing a more diverse history for the planet than previously thought. Three major findings happened within the span of seven weeks.

A Mars scientist shares the inside story of the NASA Curiosity rover's poignant first photo of Earth and Mars moon Phobos together in the twilight sky.

NASA's Curiosity rover has captured a spectacular sight from the surface of Mars: The first-ever photo of Earth alongside the Red Planet's moon Phobos.