Throughout history, humans have often believed they fully understood the world around them. You could travel back 500 years, ...

Scientists may have been dramatically undercounting the number of vertebrate species on Earth. A large analysis of more than 300 studies suggests that for every recognized species of fish, bird, ...

An in-depth analysis reveals that for each identified vertebrate species, there may be two others, nearly identical in appearance but genetically distinct. Scientists have long classified ...

Glittery sea worms and sea squirts fit for The Lord of the Rings universe might sound like pure fantasy, but they’re very real creatures living in the deep sea. Some of these otherworldly ocean ...

For nearly two centuries, a small brown frog living in Southeast Asian rainforests was considered a single, well-understood ...

Researchers have identified fossil evidence of a giant python — estimated to exceed 13 feet in length — that once lived on ...

With an estimated 1 million feral deer in Victoria causing untold damage to farms and the environment, farming and green ...

Scientists say Earth could contain billions of undiscovered species, and new DNA tools may accelerate discoveries faster than ever.

Ancient bite marks, fossilised waste, and a 31-foot predator reveal a chilling story from Earth’s past. What made Deinosuchus so powerful, and what secrets still remain hidden in its bones?

Genetic analysis of Bornean frogs revealed several distinct groups, suggesting more species may exist than previously believed.

New genetic research suggests a common Southeast Asian frog long believed to be one species could actually be six or seven ...

Scientists are identifying more than 16,000 new species each year, and DNA tools could reveal billions more hiding.