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

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

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

Thousands of mysterious clay mounds found on Mars were formed by ancient water on the Red Planet's barren northern plains, ...

Living on Mars will be no easy feat. Building viable living quarters would require an inflatable habitat that can be covered ...

Beautiful photos of the six planets aligned in the night sky have emerged online. Mars, Jupiter, Uranus, Neptune, Venus and ...

Six of our cosmic neighbors are expected to line up across the night sky tonight, in what has been dubbed a "planetary parade ...

Venus, Saturn, Jupiter and Mars are all visible after sunset, but social media claims about it being a rare "planetary ...

Images of Mars taken from orbit show thousands of mounds in a region sculpted by water billions of years ago. A robotic ...

The United States will once again consider itself a growing nation, one that increases our wealth, expands our territory, ...

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

Mars is a planet of two halves ... Using high-resolution images and spectral composition data from the HiRISE and CRISM instruments on NASA's Mars Reconnaissance Orbiter, as well as the European ...