So many humans live on Earth, it’s hard to imagine there are animals we haven’t seen for years, decades, or even millions of ...

In 2026, two tiny marsupials that were long written off as extinct were found alive in one of Earth's most remote and biodiverse regions.

In paleontology, lineages that drop out of the fossil record and then re-emerge after long periods are termed ‘Lazarus taxa.’ ...

Two marsupial species thought long extinct, until now known only from fossils, were found alive in New Guinea through a ...

Just because a species is presumed extinct doesn’t mean it’s gone forever. Here are four glowing examples of this unique, and felicitous, phenomenon. Not all species that have been classified as ...

Back in 1999, the BBC’s Walking with Dinosaurs series spawned a new format: wildlife “documentaries” featuring long-extinct animals. I’m a big fan of this genre, and Prehistoric Planet: Ice Age, made ...

And then there were none. The International Union for Conservation of Nature (IUCN) has announced that several species of animals and plants have now gone extinct. The 2025 list of extinctions ...

Indigenous people in Papua, Indonesia, have helped scientists track down two animals that were thought to have gone extinct thousands of years ago: a relative of Australia’s greater glider and a ...

A new study reveals that for conservation efforts to be effective, all threats to wildlife must be considered together, not ...