Computer simulations suggest that Mars' puzzling moons, Phobos and Deimos, may have been formed from debris created when a large asteroid wandered dangerously close to the Red Planet.
One of these chunks of Mars eventually crashed into the Earth and is one of the few meteorites that can be traced directly to Mars. This meteorite ... Oct. 11, 2024 — A collection-based survey ...
By the end of this year, NASA may have a new plan in place for returning samples from Mars. The agency announced in October that it had convened an outside panel of experts to review a dozen ...