Approximately 365 million years ago, one group of fishes left the water to live on land. These animals were early tetrapods, a lineage that would radiate to include many thousands of species including ...

A trove of fossils, unearthed in rock from China dating back some 436 million years, has revealed for the first time that the mysterious galeaspids, members of an extinct clade of jawless fish, ...

In a literal story with legs, the discovery of a new arctic fossil is said to fill an evolutionary gap between fish and limbed animals. The 375-million-year-old fossils indicate that the new species ...

In an exciting first, an Australian team of scientists identified a new species of freshwater fish that swam in nearby waters over 15 million years ago, offering fresh insights into Australia’s ...

Tiktaalik, the 375-million-year-old fish fossil, is best known for its anatomy suggesting it may have walked out of the water and is also a very popular meme. Sung to the tune of The Killers’ Mr.

PHILADELPHIA — The recent discovery above the Arctic Circle of remarkably well preserved fossils from a new species of ancient fish provides a key marker in the evolutionary transition of fish to ...

It's no big news that hands and feet evolved from aquatic fins. But when you look at a modern fish, it's hard to imagine just how how fins like theirs evolved into the hands, wrists and fingers that ...

NEW YORK — A big catch of fish fossils in southern China includes the oldest teeth ever found — and may help scientists learn how our aquatic ancestors got their bite. The finds offer new clues about ...