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 ...

Shelled sea creatures were relatively free of predators 250 million years ago. But geological scientists have discovered a tiny ancient brachiopod that was drilled by predators at rates similar to ...

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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 ...

A 2023 astronaut photo shows three dark hills, or mesas, towering above part of the Sahara desert in southern Mauritania. The structures are remnants of a single Paleozoic era formation, and have ...

HOUSTON, June 16 – Apache Corp. has drilled eight new field discoveries in 10 attempts in 2011, including its first Paleozoic success, as it pushes younger Jurassic and Cretaceous plays farther ...