The car-sized Curiosity rover has spotted evidence of once quite hospitable environs on Mars.

Though it's a cold, dead planet, Mars still has its own natural beauty about it. This image shows us something we'll never ...

Mars' southern hemisphere absorbs a lot of the sun's energy during the Red Planet's spring, and that may be causing Mars' ...

Artificial intelligence is making a huge splash now, but NASA saw its potential long ago. Here are four ways AI is helping ...

The 3.7-billion-year-old formations in the planet's Gale Crater suggest the presence of long-gone bodies of liquid water, ...

The area containing the clay-bearing mounds is geologically connected to Oxia Planum, which is where Rosalind Franklin will be headed when it launches in 2028 in search of past life on Mars. It now ...

A puzzle about Mars has intrigued scientists for decades. The planet’s two hemispheres are strikingly different in structure.

The ‘Martian dichotomy’ is one of the Solar System’s greatest mysteries – but new research in closing in on a solution.

From windswept craters to frigid ice caps, explore Martian landscapes through the eyes of NASA’s orbiters, probes and rovers ...

The surface in Mars' northern and southern hemisphere ... have known about the divide since the 1970s when NASA's Viking orbiter returned images of the Red Planet's unusual surface.

Ancient ripples suggest a warmer, wetter past for the Red Planet that supported open water on its surface.