Mars hides a gigantic ice sheet that may help astronauts
Explorers won't have to visit polar regions to find water.
NASA publishes a thousand photos of Mars
They were taken by the Mars Reconnaissance Orbiter's HiRise camera.
NASA aims to predict dust storms on Mars
New temperature studies have revealed storm patterns on the Red Planet.
Mars faced an ice age 400,000 years ago, and it's still recovering
Researchers confirm that Mars has seen many ice age cycles over time, and is still coming out of the last one.
NASA's solar-powered Juno mission heads to Jupiter today, Orbiter finds water on Mars? (video)
NASA's Juno mission has been beset by delays for a while now, but the solar-powered excursion is fi...