Forget ‘Cocaine Bear’ and ‘Cocaine Shark.’ To really understand the environmental threat of illicit drugs, look to eels.

What a new paper can teach us about hope amidst the extinction crisis.

…and it did a halfway decent job. But algorithms alone can’t save endangered species. For that you need people who care and who act.

This month Links From the Brink has a pack of good-news stories about wild, endangered felines.

New research finds that at least 254 bat species face pressure from hunters, and that could push some of them into extinction.

Can we help species adapt to the evolving threat of compound climate extremes?

This year we bid farewell to two lost frogs, the Chinese paddlefish, a plant from New Hampshire, and many others.

New research compiles the “heat tolerance” of 616 amphibian species — and reveals how much more we need to know.

The “invisible monsters” of climate change and extinction stalk us all, but these experts in terror also remind us that fighting monsters helps create hope.

These weasel-like small cats haven’t been documented in the country since 1986. A new study suggests it’s time to reintroduce them.