Related topics: dinosaurs

Scientists say comet killed off mammoths, saber-toothed tigers

First an explosion as powerful as thousands of megatons of TNT rained meteorites down on North America. Then forest fires broke out across the continent, sending up a thick layer of soot and dust that blocked out the sun. ...

Ancient Antarctic treasure trove discovered

(—The chance discovery of a 100 million year old fossil forest on an island east of New Zealand has unlocked new insights on ancient life close to the South Pole.

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