Yosemite celebrates 10,000 California red-legged frog releases after a decade of bullfrog removal and habitat restoration.

Crouched over the leaf litter, where dry leaves accumulate on the forest floor, a researcher tries to capture a distinct ...

Prehistoric proboscideans were far stranger and more diverse than modern elephants, evolving bizarre tusks, enormous bodies, ...

Paleontologists have dubbed the long-necked, plant-eating creature "Nagatitan chaiyaphumensis." It's the 14th named dinosaur ...

Hatzegopteryx was one of the largest flying predators ever discovered, a gigantic azhdarchid pterosaur that stalked a ...

This giant cephalopod dwarfed mosasaurs and other massive marine reptiles that lived during the time of the ...