Research suggests that an ancient shoreline helped to sculpt the drop between Mars' southern and northern hemispheres.

What does NASA's discovery of odd popcorn rocks on Mars actually mean? It has discovered an oddly textured rock similar to ...

The area containing the clay-bearing mounds is geologically connected to Oxia Planum, which is where Rosalind Franklin will ...

Future human explorers on Mars may one day gaze at the red planet’s clouds ... While black-and-white photos emphasize the texture of the clouds, Curiosity has also taken color images with ...

Mars will appear its biggest and brightest this month when it reaches its closest position to Earth while simultaneously being opposite the sun. The Red Planet will be at its closest point to ...

Mars will make its closest approach to Earth this weekend while rising to its highest point in the night sky. On Sunday (Jan. 12), the Red Planet will make its close approach of Earth at 8:32 a.m ...