NASA's Curiosity Mars rover spent most of March climbing the "Greenheugh Pediment"—a gentle slope capped by rubbly sandstone. The rover briefly summited this feature's...
Over the last two decades, scientists have discovered unusual ridge networks on Mars using images from spacecraft orbiting the Red Planet. How and why...
Newly discovered deposits of layered ice in craters scattered around Mars' southern hemisphere provide insights into how the planet's orientation controlled the planet's climate...