The ancient Earth turned faster when the dinosaurs ... precise number of days in a year and the length of a day 70 million years ago. This new measurement also tells us how the Moon formed ...

Earth's magnetic field was so weak it almost disappeared. Then, seemingly out of nowhere, complex life emerged.

The origin of reptiles on Earth has been shown to be up to 40 million years earlier than previously thought -- thanks to evidence discovered at an Australian fossil site that represents a critical ...

New research from an international group looking at ancient sediment cores in the North Atlantic has for the first time shown ...

Fossil discovery pushes the history of Australian tree frogs back 55 million years, reshaping our understanding of their ...

The small meat-eating dinosaur, Maleriraptor kuttyi, which lived 220 million years ago, is now providing crucial insights into how some of Earth's earliest dinosaurs survived and proliferated.Its ...

It happened 4.5 billion years ago, when the solar system was full of orbiting space rocks. This debris clumped up in a ...

Fossilized tracks from an early reptile are now the oldest known reptilian tracks, meaning the tetrapod ancestor most likely ...

Our new study, published in Earth and Planetary Science Letters, reveals how this hidden mountain chain emerged more than 500 million years ago when the supercontinent Gondwana formed from ...

Some 506 million years ago, a three-eyed predator hunted in Earth’s oceans. Described by its discoverers as a “sea moth”, the new-to-science species was a kind of radiodont, one that had a ...

Paleontologists have discovered that a three-eyed sea moth predator lived on Earth half a billion years ago with evidence found ... below ocean surface The 506 million-year-old fossil is an ...