In other developments, the EPA updated emission standards for polyether polyols and declined to regulate 9 drinking-water contaminants ...

When animals that aren’t native to an area harm the environment, we usually label them as invasive and consider them bad.

These days, all fish have teeth. The shapes of their teeth vary according to diet, ranging from the little pegs of goldfish ...

Fish, birds, flora and fauna have flocked to the restoration area in Bellingham. The City of Bellingham completed ...

Reaching over 30 feet long, the mysterious giant oarfish is the real-life "sea serpent" behind centuries of myths and legends ...

Partula snails all but vanished from Polynesia after the arrival of a carnivorous foreign snail. But a global alliance of ...

Amazon mollies don't need a man, and never will. A new study finds they can purge and repair genetic mutations that would otherwise plague a self-cloning species.

The discovery of two ancient fish in South China has re-written what we thought we knew about the evolution of early vertebrates.

DNA is revealing that many animals once thought to be a single species may actually be several hidden ones. But research on ...

Roughly 425 million years ago, in the warm seas over what is now southern China, there lived a meter-long bony fish with jaws ...

For nearly two centuries, a small brown frog living in Southeast Asian rainforests was considered a single, well-understood species. It had a name. It had a place in the textbooks. Case closed. Then ...

New genetic research suggests a common Southeast Asian frog long believed to be one species could actually be six or seven ...