Fifty thousand years ago, North America was home to towering giants. Mammoths roamed the tundra, saber-toothed cats hunted in ...

The incredible Greenland shark can live for 500 years or more. They are as big as great white sharks, but extremely ...

Illustration by Marilyn Foehrenbach Q: In North America, we worry about invasive ... Many other American plants and animals, from Virginia silkweed to Louisiana crawfish, are wreaking havoc ...

One of the largest crocodilians that ever lived preyed on dinosaurs. New research has found the fearsome Deinosuchus had a ...

A new report co-authored by a Canadian researcher warns that more than one-fifth of pollinator species it studied in North America are at ... of 759 pollinators — animals critical for food ...

California’s Channel Islands, often called North America’s Galapagos, are home to a stunning array of unique wildlife and ...

There’s no evidence that the dire wolves ever mixed with gray wolves, which came from Eurasia and later spread to North ...

Colossal scientists have claimed that they have created three dire wolf pups, whose closest living relative is the gray wolf.

Many butterflies, bees and moths are fluttering into oblivion. A new report co-authored by a Canadian researcher warns that more than one-fifth of pollinator species it studied in North America ...