Researchers identified an early mammal ancestor whose eggs may have helped it survive the Great Dying 250 million years ago.

When people think of venomous animals, they usually picture snakes, spiders, or insects. Along the way, we’ll also clarify ...

Some animals can regrow lost body parts. Salamanders and frog tadpoles can rebuild entire limbs after amputation. Mammals ...

Detailed imaging of a 250-million-year-old fossil has revealed the first proof that the ancestors of mammals laid eggs. The ...

“My preparator and exceptional fossil finder, John Nyaphuli, identified a small nodule that at first revealed only tiny ...

Despite their underwater habitat, whales are mammals. Mammals are not solely terrestrial; some, including whales and dolphins, are fully aquatic the University of Michigan Museum of Zoology reports.

From deep growls rolling over savannas to haunting whale songs drifting through the ocean, many species rely on sound to stay ...

(© Andy Myatt / Alamy) Prized for its “medicinal” properties in parts of Asia and as a trophy species by South American hunters, the red deer (Cervus elaphus) has spread from its native Eurasia to the ...

Huge die-offs of elephant seals occurred after the virus gained nearly 20 troublesome new mutations, scientists found. By Apoorva Mandavilli Elephant seals in South America died in massive numbers ...

A remarkable new discovery is shedding light on one of the greatest survival stories in Earth's history, and answering a ...