Roughly 252 million years ago, Earth experienced its deadliest known extinction. Known as the Permian–Triassic Mass Extinction, or “The Great Dying,” this cataclysm wiped out over 80% of marine ...

“One of the great mysteries has been the survival and flourishing of a major group of amphibians called the temnospondyls,” Aamir Mehmood, a study co-author and evolutionary biologist at the ...

The Permian extinction, known as the "Great Dying," killed off most marine and land animals about 252 million years ago. Scientists have suggested various causes of this catastrophe, from ...

There was a time when life on Earth almost blinked out. The "Great Dying," the biggest extinction the planet has ever seen, happened some 250 million years ago and was largely caused by greenhouse ...

“We want you to panic!” I screamed at the audience gathered in the American Repertory Theater, echoing the words climate activist Greta Thunberg said in a speech to the United Nations. That day, I ...

It's not hard to find dying glaciers. In any glaciated country there is a spot to see receding glaciers, said Mauri Pelto, a glaciologist at Nichols College. The diminishing rivers of ice are perhaps ...

NASA's Curiosity Mars rover has reported "evidence of a carbon cycle on ancient Mars," according to a recent press release. These new findings could help researchers better understand if and how Mars ...