Mars is covered in craters. Most of them are very old. The one you see here is, at most, two years and four months…

Light and shadow play on the ridges of sand dunes that lie cloistered in an impact crater in Mars' Noachis Terra…

The Opportunity, Spirit, and Curiosity rovers may get the headlines for their craters clambering exploits but it's…

Four months ago, NASA landed a one-ton, nuclear-powered rover on the Red Planet, scattering the Martian terrain with…

This is absolutely incredible. The HiRISE camera NASA's Mars Reconnaissance Orbiter was able to spot Curiosity as it…

As of this posting, we are just 2 days, 12 hours, and thirty minutes away from the Curiosity rover making touchdown…

One of the best ways to learn about a planet's history is to examine its geology, so one of the things scientists…

Evidence of Mars' watery past continues to pile up, but details surrounding the extent and duration of the planet's…

Remember a few weeks ago when astronomers spotted that "ghostly snake" of a twister creeping its way across the face…

The University of Arizona's High Resolution Imaging Science Experiment (HiRISE) camera is an incredible piece of…

At first I thought this image was a tattoo under a powerful microscope. One near some feminine naughty bits. But no,…

This close-up of the rough terrain near Mars' Zilair Crater was snapped by the High Resolution (HiRISE) camera…

The Mars Reconnaissance Orbiter's HiRISE—High Resolution Imaging Science Experiment—camera has captured one of the…