A skylight opens into an underground cavern on the slopes of Mars' Pavonis Mons volcano, as observed by NASA's Mars Reconnaissance Orbiter. | NASA/JPL-Caltech/Univ. of Ariz.

Robots to Go Spelunking in Martian Caves?

Are robots scheduled to go spelunking in Martian caves? Check out the plan to send robots spelunking in caves on Mars.

August 27, 2012
3:00 AM EDT


Learn More