A group led by University of São Paulo (USP) researchers in Brazil has described a new genus of frogs, Dryadobates, also ...

If Graham’s ears were correct — honed by his profession as a Biodiversity ranger — then he knew he was hearing two creatures ...

The extinct flightless pigeon has captured imaginations for over 400 years. Experts and artists are now revealing how much we ...

In the southwestern United Kingdom, a trio of baby mammals jumped on and chased each other through the woodlands. A nearby trail camera captured their playful behavior — a “historic moment” for a ...

Ambitious projects aim to put dire wolves, woolly mammoths and passenger pigeons back into our ecosystems. But with so many technical and ethical hurdles, what is the real motivation?