Dunes Let Us Study One Of The Universe's Fastest Geologic Processes

With a gentle rainbow of topographical changes, and the scalloped detail of active dunes, this digital terrain model is pure indulgence for the eyes. It's also part of an ongoing study on using aeolian processes to investigate sedimentation and atmospheric science on Mars. » 5/16/14 12:49pm 5/16/14 12:49pm

Mars rover Opportunity is about to embark on a new mission, looking for…

Things can be pretty slow-going on the red planet for NASA's Mars rover Opportunity. Since January of 2004, the solar-powered Opportunity has been chugging along the planet's surface at a leisurely pace of 60 centimeters an hour, but there's exciting news on the horizon. Or rather, its horizon. » 8/09/11 12:45pm 8/09/11 12:45pm

Phobos Will Be the Next Victim of Moon-Killing Mars

Martian moons Phobos and Deimos may have once had a lunar sibling. The discovery of a pair of elliptical craters on Mars’ surface have led astronomers to speculate that a small moon may have held an unsteady orbit around the planet, only to be dragged down by Mars’ gravity and destroyed. And one thing is for certain:… » 10/26/08 8:00am 10/26/08 8:00am