Pinks, the smallest Pacific salmon species, are booming. That's spelled trouble for other fish species struggling for ...

In biology and paleontology (the study of extinct organisms) there are a few ways to estimate the age of an animal's skeleton ...

In 2000, a group of STRI botanists collected samples of all the plants from the genus Clusia they could find in Panama to ...

A woodland species long absent from the forests of Ohio has made a triumphant return. For the first time in centuries, wildlife officials have documented the appearance of a furry ...

A bizarre-looking sea turtle left beachgoers doing a double take after it washed ashore in Texas looking like it had a coat of green fur. When rescuers arrived, they realized the animal wasn’t just ...

Jacob Sagrera unrolls an alligator skin and lays it flat on a metal table, brushing off flecks of salt. Advocates say ...

Scientists have described an exciting discovery: two marsupials that modern science thought to be extinct are still alive in ...

Simulations of Australopithecus hominins’ anatomy suggest that when they gave birth, they may have exerted tremendous pressure on their pelvic floors, putting them at risk of tearing ...

34 million years ago, a truly colossal mammal roamed the plains of Central Asia. Paraceratherium, a distant relative of modern rhinoceroses, may have been the largest land mammal ever to live, ...

These wetlands, these alligators … it has to have some kind of monetary value,” said George Melancon, alligator research biologist for the Louisiana Department of Wildlife and Fisheries.

The two marsupials were found living in the remote rainforests on the Vogelkop Peninsula of New Guinea.

Wild scarlet monkeyflowers in California survived a historic drought by relying on a rapid evolution, marking the first time the process has been observed in the wild.