This month, Comet Hartley 2 has put on a good show for backyard astronomers. The comet's vivid green atmosphere and auburn tail of dust look great through small telescopes, and NASA's Deep ...
Meteor impacts are one of the few natural disasters that can arrive without warning, crossing the final kilometers of atmosphere in seconds. When scientists talk about the likeliest place on Earth for ...
On Friday a 10-ton meteor screamed through the Russian sky, creating a sonic shockwave that hurt more than 1,000 people — and led to the creation of some jaw-dropping YouTube videos. But this is about ...
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