At least five times, a biological catastrophe has engulfed Earth killing off the vast majority of species. As scientists say we’re in a sixth mass extinction, what can we learn from the past?

The biggest mass cataclysm of all time, called the end-Permian extinction, occurred 252 million years ago. Some 95% of species disappeared on land and at sea as a result of global warming — with ...

Mass extinctions have occurred five times in Earth’s history, ... The recovery of the bald eagle in the United States and the giant panda in China are examples of successful conservation efforts.

Not everything dies in a mass extinction. Sea life recovered in different and surprising ways after the asteroid strike 66 ...

The fifth mass extinction event, the Cretaceous-Paleogene (K-Pg) Extinction, transpired about 65 million years ago, ... and are prime examples of perseverance.

The Secretary General of the United Nations kicked off the 15th Conference on Biodiversity (COP 15) with statements to protect Earth and save nature. Here’s what Antonio Guterres said.

Are humans causing a mass extinction on the magnitude of the one that killed the dinosaurs? IE 11 is not supported. For an optimal experience visit our site on another browser.

Earth has endured multiple mass extinctions during its existence—the Toarcian Oceanic Anoxic Event (T-OAE), for example, decimated the planet’s marine ecosystems.But according to a new study ...

At least five times, a biological catastrophe has engulfed Earth killing off the vast majority of species. As scientists say we’re in a sixth mass extinction, what can we learn from the past?

By Katie Hunt, CNN (CNN) — No species lasts forever — extinction is part of the evolution of life. But at least five times, a biological catastrophe has engulfed the planet, killing off the ...

Deeper in time, a mass extinction event that ended the Devonian Period, a geological era when life thrived on land for the first time, was also attributed to a hyperthermal event likely triggered ...