Using a ground-piercing radar sensor aboard the Mars Reconnaissance Orbiter, a team of scientists created 3-D maps of an equatorial region known as Elysium Planitia and the channels that run underneath the plains.

NPR: Radar Reveals Apparent Buried Channels On Mars

In a nondescript building, down a largely unmarked hallway, is a series of rooms, each with a rack of servers and a "ground control station, " or GCS. There, a drone pilot and a sensor operator sit in their flight suits in front of a series of screens.

CNN: Computer virus hits U.S. drone fleet