Rockfalls on the moon leave their mark on the surface. A map of 136,610 rockfalls indicates that asteroid impacts are a likely cause.
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Simulations may solve the mystery of why some asteroids like Bennu have a "spinning top" shape. The work points to the origins of these kinds of asteroids.
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Like a real life version of the game Asteroids, the majority of stars will become so luminous that their light causes asteroids to break into smaller bits.
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Volcanoes had nothing to do with K-Pg, the mass extinction event in which dinosaurs perished, researchers say. That was all an asteroid's doing.
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Could icy Hoth really exist? How about the iconic double suns of Tatooine? Experts on planetary formation, processes, and habitability discuss the science of Star Wars.
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After several months evaluating data from four candidate sites on the asteroid Bennu, scientists have finally identified the best sample collection spot.
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