Chemical clues preserved in tiny shells reveal that ocean acidification doomed a group of planktonic organisms that have ...

An international team of researchers has published a study that questions one of the most widespread theories about the ...

Traits that predicted mammal extinction for 130,000 years are changing, raising questions about how scientists identify ...

In the last few centuries, mammals and other animals have been going extinct at least 100 times faster than they did before humans arrived on the scene. So who will be next? Which species are most ...

How long did the Ordovician period last, and what caused the Ordovician mass extinction to wipe out 85 percent of life on earth 445 million years ago? Long before the dawn of humans, dinosaurs, ...

Many experts believe we may soon face a mass extinction event, with a high proportion of Earth’s species dying out. Projections indicate the climate will continue to change for centuries to come, and ...

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 ...

This story originally appeared in The Guardian and is part of the Climate Desk collaboration. Genetic diversity could shrink as animals venture into new territories because of global heating, leaving ...

Doris Lin is an animal rights attorney and the Director of Legal and Government Affairs for the Animal Protection League of New Jersey. Her focuses as an expert writer include animal rights and ...