When Sudan the white rhino was put down by his carers earlier this year, it confirmed the extinction of one of the savannah’s most iconic subspecies. Despite decades of effort from conservationists, ...

Grief for an animal at the end of its life is unlike any other emotion. It cleaves a depthless void that feels empty and hollow. It’s a feeling that animal keepers and caretakers know well, but it’s ...

The term “de-extinction” often conjures images of Jurassic Park-style genetic manipulation, complete with ethical dilemmas and ecological chaos. But the reality of functional de-extinction—the ...

After more than 12,000 years, dire wolves are back. On April 8, 2025, Colossal Biosciences announced the birth of three healthy dire wolf pups, marking the world’s first successful de-extinction of a ...

Last year, hiking in Morocco’s eastern Atlas Mountains, I found an ammonite, a fossil of those spiral-shape cephalopods that to many symbolize paleontology itself. The fossilization process had turned ...

"We should never forget that it is these personal struggles that make up the extinction process ... Extinction is not a cold calculus about the numbers of breeding females and the degree of genetic ...