"The configuration that we end up with within the solar system is definitely not something that is indeed common," Chen told ...

The essential ingredient for life, water, appeared on both planets around 4.4 billion years ago, new research indicates.

Computer simulations suggest that Mars' puzzling moons, Phobos and Deimos, may have been formed from debris created when a ...

There's no shortage of cool features of mysterious origins to be found on the surface of Mars, but the next one that NASA ...