Rosetta’s lander Philae will do something never before attempted: land on a comet. But how will it do this, when the kind of surface it will land on is unknown? With the surface composition and ...

Ten teams are signed up once again to compete in the NASA-sponsored Northrop Grumman Lunar Lander Challenge, a $2 million contest to simulate a moon flight in the New Mexico desert. The X Prize ...

The rover touches down on the Red Planet next month, and students are invited to join the excitement by designing, building, and landing their own Mars mission. NASA can help. “We want to reach every ...

NASA's "Mission to Mars" challenge offers guided educational activities for students to celebrate the upcoming landing of the agency's Perseverance rover on the Red Planet. The agency's Mars 2020 ...