Scientists offered a strong link Thursday between the "Great Dying," when most life on Earth was wiped out 250 million years ago, and a massive asteroid strike in what is now the ocean near Australia.

Long before dinosaurs appeared Earth was shaped by a vast and unfamiliar world known as the Paleozoic Era Fossils from this time reveal early experiments in life including strange marine creatures tow ...

Washington, D.C.–Surprising new research shows that, contrary to conventional belief, remains of chitin-protein complex–structural materials containing protein and polysaccharide–are present in ...

The Paleozoic era began 530 million years ago when the Earth woke up from an ice age. This era lasted for 289 million years, but you might not even last five minutes in this climate. But hey, if you ...

For the first time, researchers have assembled a comprehensive record of sea level variations during the Paleozoic Era, producing a nearly-300-million–year timeline that more than doubles previous ...

Hundreds of millions of years ago, in the middle of what would eventually become Canada's Yukon Territory, an ocean swirled with armored trilobites, clam-like brachiopods and soft, squishy creatures ...

The original plans for New York City’s Central Park included a Paleozoic Museum at 63rd Street and Central Park West, which would have displayed life-size concrete models of dinosaurs placed in ...

Surprising new research shows that, contrary to conventional belief, remains of chitin-protein complex -- structural materials containing protein and polysaccharide -- are present in abundance in ...