In prehistoric North America, the short-faced bear (Arctodus simus) ruled the land. It was one of the biggest and most powerful predators the world has seen, weighing an immense 900 kilograms and ...

Tracking the footsteps provides modern scientists a view into ancient life.

A genetic analysis of the world's iguanas may have just solved an enduring mystery of how the creatures ended up in Fiji.

"It is amazing to imagine these giant flying squirrels gliding over rhinos and mastodons," said paleontologist Joshua Samuels.

Now, a fossil discovery in Tennessee sheds new light on their unexpected journey into North America. The discovery comes from the Gray Fossil Site, a prehistoric treasure trove unearthed 25 years ago.

What would I personally hope to learn? My interest is in the patterns of skeletal variation temporally and geographically in prehistoric North America. Kennewick Man represents a time period from ...

Are wild horses truly “wild,” as an indigenous species in North America, or are they “feral weeds”—barnyard escapees, far removed genetically from their prehistoric ancestors? The question at hand is, ...

Formed from prehistoric vegetation, the majority of these deposits are found in parts of Europe, North America, and Asia that were lush, tropically located regions during the Carboniferous.

Sea levels plummeted, exposing land bridges between Africa and Eurasia and between Eurasia and North America. Eventually, South America moved north and merged with North America, forming the ...

“Finding Miopetaurista in North America was quite unexpected as this ... was much warmer during the Pliocene epoch, which lured prehistoric mammal species east after crossing the Bering Land ...