It is easy to assume that iconic animals such as tigers, elephants, and leopards will always be part of the natural world.

Every year, species disappear forever. But sometimes, nature delivers an astonishing surprise. Across remote islands, deep ...

From the Vaquita to the Javan Rhinoceros, discover five endangered animals facing extinction. Learn about the threats they ...

True extinction is final, a point of no return where a species disappears forever. And sadly, species go extinct all the time. But in some rare cases, animals believed to be lost for good have ...

Ancient DNA reveals that cave lions were a distinct evolutionary lineage that split from modern lions more than a million ...

A new study by the University of Minnesota challenges previous classifications paleontologists use to determine how the fossil record is formed. They investigated how dinosaur and mammal bones are ...

Brandon Ballengée’s ‘Frameworks of Absence’ (2006–ongoing) in the Ronald Feldman Fine Arts booth at the 2015 Armory Show (photo by Jillian Steinhauer/Hyperallergic) (click to enlarge) The animals have ...

We may not be living through Earth’s sixth mass extinction event ­­— at least not yet. That’s the conclusion of a new analysis of plant and animal extinctions published September 4 in PLOS Biology.

In the world of biology, being declared extinct is usually a permanent sentence, but nature occasionally loves to prove us wrong. These incredible animals, often referred to as "Lazarus species," ...

Dire wolves were massive and highly intelligent animals nearly the size of a small horse, capable of ripping a man’s arm off as easily as a dog kills a rat. They lived in cold regions in a place ...

The world's rarest marsupial, once thought entirely extinct, may have a second chance for survival, thanks to the DNA in its ...