The transition from water to land is a question that still intrigues scientists. Those ancient organisms would have needed to ...

A fossil bed in China containing animals up to 554 million years old suggests that we may have to reconsider the idea that ...

Until now, there was a conflict in the field of paleontology. Genetic analysis of how fast traits mutated and evolved suggested that humans and starfish had their earliest common ancestor in the ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration shows what researchers believe Tyrannoroter heberti looked like. - Hannah Fredd A chunky, squat creature that ...

Life began in the sea, and it took a long time to move onto land. Plants started creeping ashore about 475 million years ago. Roughly 100 million years later, the first backboned animals followed. For ...

New findings by Australian and Chinese researchers shed light on how aquatic creatures made the transition to land.

Hundreds of millions of years ago, the first animals to crawl onto land were strict meat-eaters, even as plants had already taken over the landscape. Now scientists have uncovered a ...

When the environment changes dramatically, animals from mollusks to crows can make big changes in their behavior that enable ...

(CNN) — A chunky, squat creature that roamed Earth 307 million years ago is helping scientists understand how plant-eating animals first appeared on land. The newly described species is one of the ...