A mass extinction event wiped out around 90% of life. What followed has long puzzled scientists: The planet became lethally hot for 5 million years. Researchers say they have figured out why using a ...

Roughly 252 million years ago, Earth experienced its deadliest known extinction. Known as the Permian–Triassic Mass ...

Why Did The 'Great Dying' Last for Five Million Years? Science May Finally Have The Answer The Great Dying has remained a ...

Around 252 million years ago, life on Earth suffered its most catastrophic blow to date: a mass extinction event known as the “Great Dying” that wiped out around 90% of life. What followed has ...

The huge climate changes back then occurred during the Permian–Triassic Mass Extinction – sometimes referred to as the "Great Dying," which happened around 252 million years ago, leading to ...

A cataclysm engulfed the planet some 252 million years ago, wiping out more than 90% of all life. Known as the Great Dying, the mass extinction that ended the Permian geological period was the ...

The Great Dying was the worst of the five mass extinction events that have punctuated Earth’s history, and it marked the end of the Permian geological period.

'The Great Dying' The huge climate changes back then occurred during the Permian–Triassic Mass Extinction – sometimes referred to as the "Great Dying," which happened around 252 million years ago, ...

By Laura Paddison, CNN (CNN) — Around 252 million years ago, life on Earth suffered its most catastrophic blow to date: a mass extinction event known as the “Great Dying” that wiped out ...

By Laura Paddison, CNN (CNN) — Around 252 million years ago, life on Earth suffered its most catastrophic blow to date: a mass extinction event known as the “Great Dying” that wiped out ...