Known as the Great Dying, the mass extinction that ended the Permian geological period was the worst of the five global ...

The new study deciphered the single-most greatest mass extinction on Earth driven by a natural calamity that still exists.

Some scientists don’t consider this event a mass extinction event based on analyses suggesting the biodiversity trend was driven more by a decrease in speciation rates than by an increase in ...

Some scientists don’t consider this event a mass extinction event based on analyses suggesting the biodiversity trend was driven more by a decrease in speciation rates than by an increase in ...

"Welcome to the Black Triangle," said paleobiologist Cindy Looy as our van slowed to a stop in the gentle hills of the northern Czech Republic, a few miles from the German and Polish borders.

Life on Earth is anything but predictable. For evidence, look no further than the five mass extinctions that have occurred over the past 500 million years: Even in the midst of widespread ...

But after a lifetime trying to make sense of the vast ecosystems that lie beneath the ocean's surface, the 73-year-old is now becoming a prophet of their extinction ... Great Barrier Reef on Death ...

Biodiversity is declining across the planet, but what about in Wisconsin, how do we measure it, and how can we stop it?

Something—a bout of violent volcanic eruptions, climate change, or perhaps a fatal run-in with a comet or asteroid—had triggered the extinction ... the so-called Great Dying repopulated ...

Our planet now faces a global extinction crisis never witnessed by humankind. Scientists predict that more than 1 million species are on track for extinction in the coming decades. But there’s still ...