Nine finalists have been chosen in the essay contest for K-12 students across U.S. to name NASA's next Mars rover. Now you can help by voting for your favorite. Read More › Choose Your Favorite Name ›

Learn how NASA’s next Mars rover will collect compelling rock samples. Watch Video › Mission Overview ›

Get the latest updates as Mars 2020 gets ready for launch. MORE

The clean room at NASA's Jet Propulsion Laboratory was open to the media to see NASA's next Mars explorer before it leaves for Florida in preparation for a summertime launch. MORE

From rockets to rovers, JPL’s Spacecraft Assembly Facility has been at the center of robotic spaceflight. Here’s a closer look at what makes it so special. MORE