NASA Rover Studies Unusual Structures on Mars That Have Scientists Puzzled ...

A mineral never before confirmed on Mars may have just turned up in orbital data from two ancient sites near the planet’s ...

The observation of small gullies on Mars was one of the more unexpected discoveries of the Mars Observer Camera (MOC) aboard the Mars Global Surveyor spacecraft. The characteristics of these gullies ...

NASA's Curiosity Mars rover discovered these bumpy, pea-sized nodules while exploring a region filled with boxwork formations—low ridges standing roughly 3 to 6 feet (1 to 2 meters) tall with sandy ...

How did the moons of Mars, Phobos and Deimos, form and evolve orbiting the Red Planet? This is what a recent study published in Icarus hopes to address as a team of researchers investigated the ...

Learn about geologic formation on Mars that resemble spiderwebs, serving as records of ancient groundwater flow on the planet ...

What can sand dunes on Earth and Mars teach us about the latter’s wind behavior and atmosphere? This is what a recently awarded NASA grant hopes to address as a PhD student at Texas A&M University ...

Each spring, when the winter frost departs, the bulbous bodies and sprawling legs of “spiders” appear across Mars’ southern hemisphere. They’re known as araneiform terrain, and scientists at NASA’s ...

Astronomers studying Mars have released an image from the Red Planet of a canyon that appears to resemble a Chinese dragon. NASA's Mars Reconnaissance Orbiter spotted the formation in the Southwestern ...

Some corners of the internet have been buzzing over a spacecraft-snapped image of a “square” on Mars. The image highlights a geologic formation with a seemingly square-like shape. Alien enthusiasts ...

The early solar system was a chaotic place, with evidence indicating that Mars was likely struck by planetesimals, small protoplanets up to 1,200 miles in diameter, early in its history. Southwest ...