Over a million species of animals and plants are now hanging by a thread, more than ever before in human history, says the International Science-Policy Platform on Biodiversity and Ecosystem Services ...

Not all animals have the name recognition of a T. rex or a dodo. However, plenty of well-known animals have vanished from the ...

More than 99% of all species that have ever lived are now extinct - and today, many scientists believe we are driving a sixth mass extinction. From the baiji dolphin of China’s Yangtze River to the ...

Just because a species is presumed extinct doesn’t mean it’s gone forever. Here are four glowing examples of this unique, and felicitous, phenomenon. Not all species that have been classified as ...

The Earth officially lost at least six species this year, according to the IUCN Red List of Threatened Species. The list — an inventory of the global conservation status and extinction risk of ...

New research identifies 10,443 critically endangered species worldwide, with effective protection strategies available if funding and political will follow. More than 1,500 species, or 15% of the ...

Scientists have analyzed ancient DNA and compared more than 400 fossils from 17 natural history museums to figure out how and why extinct sloths got so big. Most of us are familiar sloths, the ...

The dire wolf was one of the most formidable predators in the Americas during the last Ice Age, possessing a body more stout and a skull more robust than those of modern wolves. The species went ...

As the Atlantic warms, many fish along the east coast of North America have moved northward to keep within their preferred temperature range. Black sea bass, for instance, have shifted hundreds of ...

Three genetically engineered wolves that may resemble extinct dire wolves are trotting, sleeping and howling in an undisclosed secure location in the U.S., according to the company that aims to bring ...