Two hundred and fifty one million years ago, the worst mass extinction event Planet Earth has ever seen ruined the life of ...

Ruby Reynolds and her father were on the beach when they discovered Ichthyotitan severnensis - the largest-ever marine ...

Utah researchers say they believe they now know how existing crocodile, alligator and gharial species survived a pair of mass extinction events — information that could fuel future research.

Therapsids, the ancient relatives of mammals, once roamed Earth in great numbers during the middle to late Permian period.

Scientists have predicted that Earth will undergo a mass extinction in 250 million years, with extreme heat and rising CO2 ...

The idea that extreme heat could one day cause a mass extinction and end the dominance of humans is not as farfetched as it ...

"When we're thinking about de-extinction, we're not imagining that we're going to recreate something that's genetically identical to something that used to be alive," she told CBC News.

Chevron will boost the so-called triple fracs — fracturing three wells with one frac spread at one time — to more than half of its wells in the Permian basin, a Chevron executive told Reuters ...

Most people think a meteor killed the dinosaurs - but that wasn’t Earth’s biggest extinction. The Permian-Triassic extinction ...

The Mesozoic Era extinctions formed the world as we know it today. Read about what caused them and which animals survived.

HOUSTON - U.S. oil major Chevron plans to increase the use of a technique that allows it to fracture subterranean rock in three wells at a time in the Permian basin, the company told Reuters ...