Mass extinction events throughout Earth’s history are characterized as significant disruptions to life on the planet. There have been five major extinction events that have fundamentally changed how ...

Mass extinctions are extremely catastrophic events on Earth. Throughout Earth's evolutionary history, numerous mass ...

Learn how geological clues preserved in ancient oceans link repeated volcanic eruptions to Triassic marine extinctions.

The Triassic–Jurassic transition represents one of Earth’s most profound episodes of biological upheaval, characterised by extensive volcanic activity, rapid climatic shifts and cascading ...

Contributed by Kea Giles, Managing Editor, GeologyBoulder, Colo., USA: Mass extinctions are extremely catastrophic events on Earth. Throughout Earth's ...

The mass extinction that ended the Permian geological epoch, 252 million years ago, wiped out most animals living on Earth. Huge volcanoes erupted, releasing 100,000 billion metric tons of carbon ...

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 ...

Everyone knows that dinosaurs are extinct, and most people have some idea about how it might have occurred. But the exact periods in history when it happened are less well known. Was it a single ...

The forerunners of dinosaurs and crocodiles in the Triassic period were able to migrate across areas of the ancient world deemed completely inhospitable to life, new research suggests. In a paper ...

The Palisades cliffs west of New York City rear up from the Hudson River like the spine of some ancient beast—and that impression is not far off. Their basalt backbone is a remnant of an immense lava ...