For decades, scientists have theorized about how Mars reached its current state. Many believe that the Red Planet's surface ...

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.

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

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

Why is Mars barren and uninhabitable, while life has always thrived here on our relatively similar planet Earth?

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