Asteroid & Comet Missions
Latest about Asteroid & Comet Missions

By Mike Wall Published
NASA's OSIRIS-REx mission is delivering a precious haul of asteroid dirt and gravel to Earth this weekend. How much of this space-rock stuff will there be?

By Elizabeth Howell Published
The descent capsule of NASA's OSIRIS-REx asteroid-sampling mission is supposed to touch down softly under parachutes on Sept. 24. If it crashes, however, the agency has a backup plan.

By Tereza Pultarova Published
When the OSIRIS-REx probe arrived at asteroid Bennu, it found a body that looked and behaved quite differently from what scientists had expected.
By Sharmila Kuthunur Published
NASA's Lucy spacecraft just sent home an impressive glimpse of the smallest asteroid target on its 12-year agenda to study intriguing space rocks.

By Mike Wall Published
NASA's OSIRIS-REx probe put itself on course toward Earth with a thruster firing on Sept. 10, two weeks before its highly anticipated asteroid-sample delivery.

By Leonard David Published
NASA's OSIRIS-REx mission will see a sample of an asteroid return to Earth on Sept. 24. Here's how the mission's head scientist feels about the chances of success.

By Mike Wall Published
NASA's Psyche mission is scheduled to launch atop a SpaceX Falcon Heavy rocket on Oct. 5 and begin heading toward its metal-asteroid namesake.

By Andrew Jones Published
The European Space Agency's Hera spacecraft is now assembled ahead of its journey to analyze the asteroid smashed by NASA's DART mission.

By Ben Turner Published
The OSIRIS-REx spacecraft will soon return to Earth. What's on board could reveal the extraterrestrial origins of life on Earth.

By Mike Wall Published
The OSIRIS-REx team performed a crucial drop test on Wednesday (Aug. 30), practicing what they'll do when the mission's real asteroid sample comes home on Sept. 24.
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