Each year on March 3, World Wildlife Day draws global attention to the plants and animals that make life on Earth possible.

A dozen fish pulled from a South African river sparked years of debate before being confirmed as a new species.

Earth looked much different not just millions, but even decades and centuries ago. Many animal species that once existed are nowhere to be found. From human activity to climate change, new animals ...

Republican bills that would allow the endangered Mexican gray wolf to be killed and no longer be considered an endangered ...

Remote cameras hidden in a forest captured an elusive and rare mammal in its glory. The coastal marten, also known as the Humboldt marten, is a ferret-sized carnivore captured in an adorable pose, as ...

Prominent research studies have suggested that our planet is currently experiencing another mass extinction, based on extrapolating extinctions from the past 500 years into the future and the idea ...

As pumas return to Patagonia’s coast, they encounter penguin colonies that expanded in their absence, creating new ...

In the early 1990s, scientists worried that the greater Bermuda land snail—found only on the North Atlantic Ocean archipelago ...

A lost cache of 250-million-year-old fossils from Australia has rewritten part of the story of life after Earth’s worst mass ...

Lost fossils reveal that some of the first ocean predators went global astonishingly fast after Earth’s worst extinction.