The idea that dinosaurs were already in decline before an asteroid wiped most of them out 66 million years ago may be ...

A new study challenges the long-held belief that dinosaurs were already declining before the asteroid impact 66 million years ...

A total of 32 US states pump oil, but just over 42 percent of the country’s crude oil production comes out of Texas, ...

The French countryside is rich in fossilized eggs, footprints, and bones. A battle is raging over who is allowed to hunt for ...

Researchers analyzed 131 fossilized impressions on the Isle of Skye, some of which were previously considered fish burrows ...

Many of the footprints belonged to theropods – meat-eating dinosaurs that walked on two legs. These include morphotype-1a, a ...

Indeed, the earliest mammal we are currently aware of is the Brasilodon quadrangularis – a diminutive critter described as ...

Fossils from China’s Turpan-Hami Basin reveal it was a rare land refuge during the end-Permian extinction, with fast ...

Because the K. susanae specimen was fossilized inside out, scientists still aren't sure of the species' evolutionary history ...

Our planet’s first known mass extinction happened about 440 million years ago. Species diversity on Earth had been increasing ...

Stanford scientists found that dramatic climate changes after the Great Dying enabled a few marine species to spread globally ...

Scientists don't call it the "Great Dying" for nothing. About 252 million years ago, upward of 80% of all marine species ...