A new study reveals that Earth's biomes changed dramatically in the wake of mass volcanic eruptions 252 million years ago.

Whether current biodiversity loss—a crisis by any measure—meets the criteria for another mass extinction is hotly debated. Much of the debate hinges on accurately measuring the scale of modern-day and ...

Our planet now faces a global extinction crisis never witnessed by humankind ... Although often obscured by the noise and rush of modern life, people retain deep emotional connections to the wild ...

One of the most notorious mass extinction events in modern times occurred on a hilltop in coastal Ecuador in the 1980s. Ninety species of plants known from nowhere else on Earth—many of them new ...

One prevailing theory suggests that massive volcanic eruptions in present-day Siberia triggered widespread devastation on land through wildfires, acid rain, and toxic gases. The extinction of ...

"The Colossal Woolly Mouse marks a watershed moment in our de-extinction mission," says Ben Lamm ... made a painstaking study of several species of extinct mammoths and modern-day elephants. They ...

Newly analyzed fossil skeleton of Mixodectes pungens reveals its tree-dwelling lifestyle, dietary habits, and ties to ...

Only small theropod dinosaurs survived the extinction; the ancestors of modern-day birds. Our small mammal ancestors probably ...

According to scientists who maintain that dinosaur extinction came quickly, the impact must have spelled the cataclysmic end. For months, scientists conclude, dense clouds of dust blocked the sun ...

The mice were created by Colossal Biosciences, which edits DNA for species conservation, and has been working to bring back the woolly mammoth since 2021.