The large binary asteroid Didymos and its moonlet Dimorphos currently pose no threat to Earth. But by crashing a 1,340-pound (610-kilogram) probe into Didymos’ moon at a speed of approximately 14,000 ...
WASHINGTON — Earth has pushed past seven out of eight scientifically established safety limits and into “the danger zone,” not just for an overheating planet that's losing its natural areas, but for ...
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