Great news has emerged from Victoria, Australia, as a once-extinct fish, the olive perchlet, has been released back into the ...

Some animals in the United States were believed to be extinct—until they were spotted again, sometimes decades later! Whether ...

Research suggests that tropical riparian ecosystems – those found along rivers and wetlands – recovered much faster than expected following the end-Permian mass extinction around 252 million years ago ...

We often talk about water and how important it is to make sure it is clean and unpolluted. But lakes usually fall through the ...

The Highland nymph, or Alpine coffee moth, is on the edge of extinction due to loss of mountain willow habitat, experts have said.

With sharp catlike teeth and a doglike body, ancient carnivores called hyaenodonts were once at the top of the food chain, ...

A firm that says it can bring back the woolly mammoth 4,000 years after it vanished from the earth has just completed a $200 ...

Last June, the U.S. Army Corps of Engineers, which operates a series of dams in Oregon's Willamette River Basin, missed a deadline set by Congress to produce a report on how the dams are affecting ...

As more and more "historical" checklists are added to the platform, birds we've lost now mingle with those still hanging on.

The specimen Rapp caught was an adult female he estimated to be about an inch to an inch and a half long. According to the state agency, the species has “impressive camouflage” and was only ever ...