The list of 10 most endangered rivers of 2025, according to the nonprofit American Rivers, includes the Mississippi River and ...

Dire wolves went extinct roughly 13,000 years ago ... Here's a look at what we know about the prehistoric species: Along with saber-toothed cats and enormous short-faced bears, dire wolves ...

Bringing back sunflower sea stars, which are functionally extinct in California, could help restore kelp forests off the ...

Fisheries scientists who were fired by the Trump administration say they've been living in limbo as their work is sidelined.

The result? A frightening phenomenon that's making seawater more acidic, spelling disaster for many marine animals, from plankton and coral up the food chain to sea stars, salmon, sea otters, whales — ...

"The Endangered Species List has become like the Hotel California: Once a species enters, they never leave," Secretary of the Interior Doug Burgum wrote Cover Images via AP Images; Getty Images ...

Many huge animals went extinct surprisingly recently. When they died, their ecological role was lost with them.

The private company Colossal Biosciences claims to have resurrected dire wolves through genetic editing. The resulting trio, ...

The dire wolf went extinct around 10,000 years ago. The recent claim that a U.S. biotechnology company resurrected the long-extinct dire wolf through genetic engineering seemed to shock the ...