The mass extinction that killed 80% of life on Earth 250 million years ago may not have been quite so disastrous for plants, new fossils hint. Scientists have identified a refuge in China where it ...

Almost all life on land and in the ocean was wiped out during "The Great Dying," a mass extinction event at the end of the Permian Era about 250 million years ago. New evidence suggests that the Great ...

It happened before, and could happen again…. That's the message in a new study about the catastrophic collapse of Earth's tropical forests due to natural volcanic causes 252 million years ago. The ...

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 ...