We know the Earth’s inner core is largely solid, which sets a ceiling on its temperature, and in turn, how much heat dark ...
Four astronauts riding a newly designed spacecraft from Elon Musk's SpaceX docked with the International Space Station Monday night, in the first crewed mission on a privately built space capsule ...
A NASA spacecraft touched down on the rugged surface of the Bennu asteroid on Tuesday, grabbing a sample of rocks dating back to the birth of our solar system to bring home.
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