A tremendous explosion rocked the Tunguska region in Siberia in the early morning hours of June 30, 1908. The Tunguska ...
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 ...
Boing Boing on MSN
What is this weird huge mound in Siberia?
Deep in the taiga of eastern Siberia stands a 40-meter-high mound of shattered limestone, 160 meters across at its base, with ...
WatchMojo on MSN
20 historical events that almost killed everyone
Humanity's survival has never been guaranteed. Join us as we count down the most terrifying moments in history when life on ...
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