Researchers have discovered a clue in Italian limestone that helps explain a mass extinction of marine life millions of years ago, and may provide warnings about how oxygen depletion and climate ...

Italian limestone collected from the Mercato San Severino section in southern Italy contains molecular traces of ancient oceanic chemistry. An analysis of these rocks helps explain how early Jurrasic ...

CINCINNATI (WKRC) - Earth's atmosphere, which is currently rich in oxygen, is predicted to undergo a drastic shift that could lead to the extinction of most life forms, including humans, scientists ...

Ancient sea organisms survived until a sudden extinction 550 million years ago, revealing what may be the first major mass ...

Holly has a degree in Medical Biochemistry from the University of Leicester. Her scientific interests include genomics, personalized medicine, and bioethics.View full profile Holly has a degree in ...

The biggest mass extinction in Earth history some 251 million years ago was preceded by elevated extinction rates before the main event and was followed by a delayed recovery that lasted for millions ...

Around 250 million years ago, one of Earth’s largest known volcanic events set off The Great Dying: the planet’s worst mass extinction event.... How did these species survive mass extinction events?

The Jurassic Period is one of the three prehistoric geological periods of the Mesozoic Era. It spans from 145 million to 201 million years ago. This period was preceded by the Triassic Period and ...

Add Yahoo as a preferred source to see more of our stories on Google. Sharks might be the all time bullet-dodging champions. They’ve been around for about 450 million years, longer than trees, longer ...