Researchers have found fossilized evidence that snakes had limbs, as well as cheekbones, around 100 million years ago. The researchers looked at a "strikingly well-preserved" fossil of a snake known ...

High in the forest canopy, one genus of snake learned how to solve the problem of flight without wings. Here’s how, according ...

Astonishing flying snakes of Asia defy gravity without wings, launching from trees and flattening their bodies to glide.

Snakes and lizards are reptiles that belong to the order Squamata. They share several traits but differ in one obvious respect: snakes do not have limbs. The two suborders diverged more than 100 ...

(CN) - Snakes roamed Earth on well-developed legs about 150 million years ago, until "Sonic hedgehog" came along. That's the conclusion of a study published Thursday, which details how a gene known as ...

Scientists have unearthed two 300-million-year-old fossils of a tiny animal that adapted to lose its forelimbs, shedding light on how vertebrates evolved a “snake-like body plan”. Modern-day reptiles ...

Less than 100 million years after vertebrates first grew legs, some of their descendants had evolved to lose them again, fossils reveal. The discovery shows that land vertebrates first began to evolve ...

More than 120 million years ago in what is now modern Brazil, an ancient waterway was filled with all manner of strange creatures. These included dinosaurs, pterosaurs, sharks, bony fishes, a dizzying ...