If we're to land humans on Mars in the coming decades, we'll have to know what challenges await them when they get there.

The aerospace giant says it can revive Mars Sample Return with a leaner, lower-cost approach drawing on proven designs.

NASA’s Mars Reconnaissance Orbiter has learned to pull off daring 120-degree rolls that give its SHARAD radar ...

The spacecraft now almost tips upside down relative to Mars to give its radar the best view. The Mars Reconnaissance Orbiter ...

A 14-year-old from Pleasanton is using cutting-edge artificial intelligence in hopes of solving a problem that occurred ...

One of the great unsolved problems in modern planetary science is written on the surface of Mars. Mars has canyons that were ...

A meteorite that is the largest known piece of Mars on Earth is expected to fetch up to $4 million when it goes up for auction later this month.