A bumpy snailfish, Andean mouse opossum and ancient sea cow were just some of the many species described in 2025.

Some species officially bid us farewell this year. They may have long been gone, but following more recent assessments, ...

To save it, they undertook one of the largest captive snail breeding and reintroduction efforts in Australian, and perhaps ...

In the past couple of decades, several species have been driven to extinction thanks, in large part, to human interference. Sometimes that interference is direct, poaching for big game trophies or ...

But ancient New Zealand was home to an extinct species of great penguin around three million years ago, during a period in Earth's history known as the mid-Piacenzian Warming Period. (Image credit: CC ...

Conservationists in the Galapagos Islands have found a giant tortoise from a species thought to have become extinct more than a century ago. The adult female tortoise was found on the island of ...