On a lawn inside the Bronx Zoo, rows of headstones display multiple animal species, making for an eerie display during the ...

Hidden in Bolivia’s seasonal wetlands, a small fish that scientists had written off as extinct for more than two decades has ...

For close to 40 years, Australians had mistakenly believed one of their cutest wallaby species was likely extinct. The error ...

Before humans ever walked the planet, Earth was home to some of the strangest and most terrifying creatures in history — and we narrowly missed sharing the world with many of them. From 10-foot terror ...

The extinct rhinoceros, described in the journal Nature Ecology & Evolution, is the northernmost rhino known to have ever ...

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 ...

A long-lost Bolivian killifish has been found alive, revealing a globally important hotspot for seasonal killifish diversity at risk from deforestation. Researchers have confirmed the rediscovery of ...

A fish species thought to be extinct has suddenly been found in a small pond in Bolivia. The rare seasonal killifish, Moema claudiae, has not been recorded in the wild for more than 20 years and its ...

Cleveland Metroparks is highlighting an exciting wildlife sighting experts say proves conservation efforts are working.

They came up a little short. A small archaic hominid known as the “hobbit” might have died out around 50,000 years ago after ...

The koalas clambering around eucalyptus canopies may be cuddly herbivores, but their extinct relatives were horrifying predators. The charismatic marsupials are the closest living relatives of ...

In most narratives, the story of evolution is the story of organisms emerging from the ocean and eventually populating the land. But for some species, that evolution also involved a return trip.