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 history of life on Earth has been punctuated by several mass extinctions, the greatest of these being the Permian-Triassic extinction event, also known as the Great Dying, which occurred 252 ...

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 ...

In this Sept. 6, 2017 photo provided by the National Oceanic and Atmospheric Administration (NOAA), fish swim in a reef at Pearl and Hermes Atoll in the Northwestern Hawaiian Islands. (Jacob ...

"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 ...