What If on MSN
If a supernova exploded near Earth, could we survive it?
As much as we love to blow stuff up here on Earth, no bombs or pyrotechnics could compare to the incredible force of nature’s ...
WASHINGTON, D.C. — A meteor crashing toward Earth exploded over the northeastern United States on Saturday, NASA said, setting off booms that echoed over the region with a blast equivalent to 300 tons ...
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