The asteroid that exploded over Chelyabinsk injured around 1,500 people, damaged thousands of buildings, and exposed an uncomfortable truth: scientists completely missed it, even as they were ...
COLORADO SPRINGS–Thirteen years ago a 20-m asteroid streaked without warning into Earth’s atmosphere before exploding over the Russian city of Chelyabinsk, injuring 1,500 people and causing widespread ...
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In April 2029, asteroid Apophis will pass Earth at a distance that sounds almost unreal on paper. About 20,000 miles away from the surface, close enough that it sits inside the region where many ...