New genetic tests may reveal the secret to saving the critically endangered Siamese crocodile from extinction.

The Bramble Cay melomys, a tiny island rodent, was wiped out by sea-level rise, according to the government of Australia.

The gigantic Ozark hellbender salamander is in trouble in the wild, but one zoo — and a hard-working team — is helping to boost its populations.

Carcharhinus obsolerus (that’s Latin for “extinct”) swam in the waters of the western Pacific, but it hasn’t been seen in 80-plus years.

The death of a snail named George on New Year’s Day marked the extinction of his species. Saving the rest of Hawaii’s unique snails is a race against time — but not one without hope.

It’s going to be a rough year, but we’ll also see some progress.

After decades of rumors and searches, the existence of a two-foot-long amphibian called “the reticulated siren” has finally been confirmed.

A newly discovered plant genus could be wiped out by dams and mining. Could giving it a name save it from extinction?

A bid to remove the bird from the Endangered Species Act has emerged once again — long after the disappearance of the organization that proposed its removal.

Conservationists fear this will stimulate demand for poached animals while making it harder to enforce existing laws.