Researchers discovered that a 215-million-year-old reptile started life on four legs and switched to two as an adult.

When dinosaur fossils surface at a site, it is often not possible to tell how many millions of years ago their bones were buried. While the different strata of sedimentary rock represent periods of ...

Team redates prehistoric ‘Ubeidiya in Jordan Valley to same age as oldest Georgian site, suggesting at least two distinct groups of human ancestors left Africa at roughly the same time The post New ...

We say it every day, but so many people have no idea what that little 'O' stands for.

Trump boasts of a booming economy. He’s dead wrong. A year into Trump 2.0, the affordability crisis is worse than ever.

The pygmy long-fingered possum and the ring-tailed glider, two marsupials believed to have died out thousands of years ago, are still alive in Papuan Indonesia.

When a stone sits on the Earth’s surface, cosmic rays quietly pepper it, leaving behind rare isotopes like tiny time stamps.

Learn about the archaeological site of 'Ubeidiya, now confirmed as one of the oldest areas that humans occupied outside of Africa.

There are plenty of reasons to drive a hybrid ... if you can keep it on the road. If you hate waiting around a mechanic's ...

There's something profoundly captivating about the phrase "lost to time." Throughout history, countless treasures, cities, ...

A newly identified dinosaur species from the Sahara sheds light on Africa’s prehistoric predators and the secrets still buried beneath the desert sands.

New, miniscule fossils of the earliest-known relative of all primates, including humans, Purgatorius, have been unearthed in a more southern region of North America than ever before – and the ...