Mars is covered in craters. Most of them are very old. The one you see here is, at most, two years and four months young – certified fresh, in cosmic terms.
Light and shadow play on the ridges of sand dunes that lie cloistered in an impact crater in Mars' Noachis Terra region.
Four months ago, NASA landed a one-ton, nuclear-powered rover on the Red Planet, scattering the Martian terrain with heaps of debris in the process. Curiosity, upon arrival, shed so much of its Entry Descent & Landing hardware that high resolution images of the planet's surface are still turning up traces of the…
One of the best ways to learn about a planet's history is to examine its geology, so one of the things scientists look for when sending rovers to Mars is areas on the planet's surface that allow access to multiple layers of diverse and interesting rock types.
Remember a few weeks ago when astronomers spotted that "ghostly snake" of a twister creeping its way across the face of Mars? Well, the windstorm featured up top makes that other storm look like an adorable little dust-up.
The University of Arizona's High Resolution Imaging Science Experiment (HiRISE) camera is an incredible piece of equipment. Currently circling the Red Planet aboard NASA's Mars Reconnaissance Orbiter, the instrument is capable of capturing photographs of the Martian surface at unprecedented resolution, averaging about…