More than 99% of all species that have ever lived are now extinct - and today, many scientists believe we are driving a sixth ...

Extinction usually feels final. Once a species disappears, there is rarely a second chance. But a small number of animals managed to survive when everything seemed stacked against them, often because ...

This suggests the dinosaurs hunted different prey at various stages of life. The faster juvenile T. Rexes probably chased ...

University of Queensland researchers say Australia's reptiles are at risk of extinction because a little understood fungus is ...

Only one specimen of Alcovasaurus has ever been found, named for the tiny Wyoming town of Alcova, where it was discovered ...

For some species, extinction seemed certain - until someone found proof they were still alive. In this video, we look at five remarkable animals that were once believed to be gone forever, from the ...

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 ...

Ten new species. Seven new genera. In Hawaiʻi, scientists are still finding animals no one knew existed. Some shimmer with ...

One of the most elusive mammals in the southern Sierra is primed to share secrets about its species. A rare “ghost fox” of the Sierra was recently captured by biologists. After evading capture for a ...

If there are two things you picture when you hear the word “kangaroo,” chances are it’s either a mama with a joey in her pouch or their propensity to hop across the Outback. It’s daunting enough that ...

A five-day expedition in Madagascar's largest rainforest has rediscovered 21 of 30 targeted species, including a nearly 11-inch giant millipede that hadn't been documented by scientists since 1897.

Can Ben Lamm save the planet? He thinks so. Short, stocky and unassuming with a puckish sense of humor, the shaggy-haired ...