Fractured ice sheets on Mars

Where the two hemispheres of Mars meet, the planet is covered in broken-up terrain: a sign that slow-but-steady flows of icy material once forged their way through the landscape, carving out a fractured web of valleys, cliffs ...

HiRISE Mars camera reveals hundreds of impacts each year

Scientists using images from NASA's Mars Reconnaissance Orbiter, or MRO, have estimated that the planet is bombarded by more than 200 small asteroids or bits of comets per year forming craters at least 12.8 feet (3.9 meters) ...

NASA Mars orbiter safe after unplanned computer swap

(Phys.org) —NASA's long-lived Mars Reconnaissance Orbiter put itself into a precautionary safe standby mode March 9 after an unscheduled swap from one main computer to another. The mission's ground team has begun restoring ...

Happy Valentine's Day from Mars

(PhysOrg.com) -- An image taken by the Context Camera on NASA's Mars Reconnaissance Orbiter shows a heart-shaped feature that the camera's team at Malin Space Science Systems, San Diego, wants to share with other Mars fans ...

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