If you want to see concrete evidence of evolution, look no further than your hand or your foot. Five fingers, five toes. There's nothing magical about the number, yet five digits at the end of their ...

The skulls of tetrapods had fewer bones than extinct and living fish, limiting their evolution for millions of years, according to a latest study. The skulls of tetrapods had fewer bones than extinct ...

Over 750,000 square kilometres of Amazon rainforest have been cleared since 1970 – a fifth of the total. As a result, many of the animals that live there are threatened with extinction. But this isn’t ...

One of the biggest questions in evolution is when and how major groups of animals first evolved. The rise of tetrapods (all limbed vertebrates) from their fish relatives marks one of the most ...

"I'm stunned." says Per Ahlberg of Uppsala University, who coordinated the study; "A single track-bearing slab, which one person can lift, calls into question everything we thought we knew about when ...

“I’m stunned,” Per Ahlberg, a paleontologist at Uppsala University in Sweden who coordinated the study, said in a statement. “A single track-bearing slab, which one person can lift, calls into ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Here’s what you’ll learn when you read this story: The common ancestor of all tetrapods (including humans ...

This creature, called Westlothiana lizziae, is one of the earliest examples of a four-legged animal that had evolved from living underwater to dwelling on Earth. It, and other stem tetrapods like it, ...

The first African fossils of Devonian tetrapods (four-legged vertebrates) show these pioneers of land living within the Antarctic circle, 360 million years ago. The first African fossils of Devonian ...

Newly discovered tetrapod footprints suggest that the evolution of limbed vertebrates may have occurred nearly 20 million years earlier than scientists previously believed, according to a study ...