Smithsonian scientist’s research illustrates how North American ecosystems are still reeling from the megafaunal extinction that closed the ice ages Jack Tamisiea During the late Pleistocene, ...

For the first time in several thousand years, a lion’s roar reverberates through the Grand Canyon. California condors descend into that chasm as though sliding down a spiral staircase. Bolson ...

The end of the Pleistocene epoch saw the extinction of large-bodied herbivores around the world. Numerical modelling suggests that continental-scale effects of this extinction on nutrient transport ...

The Pleistocene megafauna extinction erased a group of remarkable animals. Whether humans had a prominent role in the extinction remains controversial, but it is emerging that the disappearance of the ...

A new study has shed new light on why large mammals died out at the end of the ice age, suggesting their extinction was caused by a warming climate and expansion of vegetation that created unsuitable ...

March 15, 2025, For Immediate Release: “Rest assured, Pleistocene Parks Inc. is doing everything possible to recapture our escaped ice age megafauna. Please back away slowly from any African lion you ...

When the first modern humans ventured beyond Africa during the late Pleistocene, roughly 120,000 years ago, they stepped into a world filled with giants: the six-ton giant ground sloth in South ...

“Rants from the Hill” are Michael Branch’s monthly musings on life in the high country of Nevada’s western Great Basin desert. Then along come these provocative Pleistocene Rewildatators, who ask why ...

Carcharocles megalodon could reach up to 60 feet in length and had jaws measuring 9 feet wide. It lived from 23 million years ago up until the end of the Pliocene Epoch, around 2.6 million years ago.