A wave of new research is forcing paleontologists to reconsider a basic question about life on Earth: when did the first mass ...

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 ...

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?

A pair of Sacabambaspis fish, around 35 cm in length, which had distinct, forward-facing eyes and an armored head. No fossils of animals like Sacabambaspis from after the Late Ordovician Mass ...

A new theory suggests depletion of trace elements in the oceans was a factor in three major mass extinction events in the past 600 million years, according to new research led by Flinders University's ...