Read about the Jurassic extinction event that wiped out many species at the beginning of this Period and led to the rise of the dinosaurs.

A Texas-based startup has revived the long-extinct dire wolf, but should we take their efforts with a pinch of salt?

“The biodiversity loss that we're seeing rivals that of the five mass extinctions that we've seen ... “That 1.3 percent might not sound that big and you might not notice it from one year ...

Also on their de-extinction wish list is the woolly mammoth ... “we should be giving ourselves the opportunity to see what our big brains can do to reverse some of the bad things that we ...

An analysis of North America’s fossil record for the 18 million years before dinosaurs disappeared suggests the prehistoric ...

They’re dire wolf pups, back from extinction after some 12,000 years. Dire wolves thrived during the Pleistocene Epoch, when ...

The idea that extreme heat could one day cause a mass extinction and end the dominance of humans is not as farfetched as it ...

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