On December 12, the US Fish and Wildlife Service (FWS) issued a proposed rule to list the monarch butterfly as a threatened species under ...

Races” are now “species” in the beloved game Dungeons & Dragons, which recently marked its 50th anniversary, irking some ...

Pangolins, the world’s most trafficked mammals, frequently appear in wildlife seizures, yet there is no universal system for tracking or identifying individual animals. Researchers proposed what ...

Gorgonopsians weren't a direct ancestor of living mammals, nor did they give rise to the saber-toothed cats that existed until around 10,000 years ago. However, they were part of the wider ...

In the eye-opening study, researchers observed the squirrels actively hunting and eating other mammals, specifically California voles. It marks the first evidence that these supposedly vegetarian ...

The gorgonopsian excavated in Mallorca laid eggs, unlike most mammals. But it was warm-blooded, unlike reptiles. Its leg shape and position were halfway between mammal and reptile. And its saber teeth ...

Despite not being particularly mammal-looking, the earliest true mammals began to rise about 200 million years ago, when dinosaurs were still roaming Earth. However, the therapsids still had ...

The origin of mammals is shrouded in mystery, but every fossil clue helps rewrite the story. A new discovery on a Mediterranean island is challenging what we know about when—and where—mammal ...

With many of the species already under threat of extinction from human activities, WWF is calling on governments in the region to increase conservation of these rare, amazing creatures and their ...

With 122 being the oldest documented age, humans can enjoy decades more life than most fish, birds and mammals—including our primate relatives. But we’re not alone in experiencing longevity.