Human and animal fossils are a window into the past that give us a connection between the present and the past. Scientists dug up a specimen that is so old and unique that it nudges back the origins ...

The origins of snakes have baffled scientists for decades. How did these limbless, slithering predators evolve from their distant lizard ancestors? A remarkable discovery on the Isle of Skye, Scotland ...

Researchers have uncovered 300-million-year-old reptile skin impressions in Germany, the oldest direct evidence of reptile ...

Some lizards have evolved to be resistant to the venom of snakes, entering into a sort of evolutionary arms race with their limbless cousins. A family of lizards known as varanids has evolved ...

The fossilized skeleton of a Jurassic reptile that appears to be part lizard, part snake, has been unearthed on Scotland's Isle of Skye. This mysterious lizard had hooked, snake-like teeth for hunting ...

New research has uncovered a species of hook-toothed lizard that lived about 167 million years ago and has a confusing set of features seen in snakes and geckos—two very distant relatives. One of the ...

New research has uncovered a species of hook-toothed lizard that lived about 167 million years ago and has a confusing set of features seen in snakes and geckos—two very distant relatives. One of the ...