The fossils offer one of the clearest pictures science has had of how respiration on land began.

Meet Tyrannoroter heberti, a newly described species that was one of the largest, most feared land animals of its time – at least, if you were a fern. Hailing from 307 million years ago, this strange ...

The transition from water to land is a question that still intrigues scientists. Those ancient organisms would have needed to adapt to several new challenges to life out of water. So, how did they do ...

Animal life began in aquatic environments more than 600 million years ago. Around 500 million years ago, during the Cambrian ...

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 ...

(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 ...

Wild animals are reshaping Earth’s surface more than expected, altering soil, rivers, and sediment movement across ecosystems ...

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 ...

Life on Earth started in the oceans. Sometime around 475 million years ago, plants began making their way from the water onto the land, and it took another 100 million years for the first animals with ...