A group of children learn about the different animal groups and what characterises each one. Suitable for teaching science at ...

Researchers have unearthed dozens of fossilized teeth in Kuwajima, Japan, which belong to an ancient mammal-like reptile that overlapped with some of the world's earliest mammals for millions of years ...

Long dismissed as unintelligent, reptiles are emerging as cognitively and emotionally complex animals. A new study involving ...

Before the planet lost T. rex and other carnivorous giants, mammal-like reptiles began to grow whiskers. The findings, published in Scientific Reports last month, suggest that many mammal-defining ...

Compared with the rest of the animal kingdom, mammals have the biggest brains and produce some of the smallest litters of offspring. A newly described fossil of an extinct mammal relative—and her 38 ...

Researchers have uncovered dozens of fossilized teeth in Kuwajima, Japan, and identified this as a new species of tritylodontid, an animal family that links the evolution of mammals from reptiles. The ...

A reptile fossil is the first of its kind with skin and partially webbed feet, possibly showing how later species like plesiosaurs adapted to water.

SALT LAKE CITY, Utah (KSL/CNN)-- It may have weighed only 2 1/2 pounds and stood about 6 inches tall, but the discovery of a half mammal, half reptile's skull in eastern Utah has huge implications for ...

New examinations of skeletons and animal embryos have allowed researchers to discover how mammals developed protruding, flexible noses. This study contributes to uncovering the origin of mammals' ...