Embedded content: https://https://players.brightcove.net/1942203455001/B1CSR9sVf_default/index.html?videoId=6283605439001 NASA's DART spacecraft has launched on a ...
SPACE ROCKS collide with Earth’s atmosphere all the time. The vast majority are too small to do any damage, but the risk of a larger asteroid (or comet) wiping out an underprepared city is one that ...
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