Earliest forest fires evidence of ancient tree expansion

The Earth's first forest fires appear to have occurred earlier than previously thought, pointing out a link between widespread wildfires and ancient tree evolution, according to researchers at The University of Alabama.

When dinosaurs disappeared, forests thrived

It's known that the primary cause of the mass extinction of dinosaurs, about 66 million years ago, was a meteorite impact. But the exact mechanisms that linked the meteorite impact to mass extinction remain unclear, though ...

Giant animals lived in Amazonian mega-wetland

A land of giants: This is the best definition for Lake Pebas, a mega-wetland that existed in western Amazonia during the Miocene Epoch, which lasted from 23 million to 5.3 million years ago.

Saber-toothed cats hunted on the South American plains

Like the lion which today lives in the African savannah, the saber-tooth "tiger," Smilodon populator, inhabited the open, dry country found in South America during the ice age, according to Professor Hervé Bocherens of the ...

Study: Prehistoric horses were homebodies

Unlike today's zebras, prehistoric horses in parts of North America did not make epic migrations to find food or fresh water, according to a new study by the University of Cincinnati.

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