Following the worst mass extinction event on Earth, the land was not entirely barren of life. In the wake of this cataclysm, ...

In school, we learned about the asteroid that wiped out an estimated 76% of all creatures. Scientists now call this the fifth mass extinction. You’re reading that correctly: throughout Earth’s history ...

A new study reveals that a major cooling event 34 million years ago caused staggered marine extinctions, not a single global ...

Scientists Found What May Be Earth's First Mass Extinction and It Was More Catastrophic Than Anyone Realized ...

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 ...

Earth responded to its most severe past warming event by evolving a new and bizarre type of photosynthesis that allowed a ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Violent supernovas ...

A team of scientists has identified an additional force that likely contributed to a mass extinction event 250 million years ago. Its analysis of minerals in southern China indicate that volcano ...

Around 250 million years ago, one of Earth’s largest known volcanic events set off The Great Dying: the planet’s worst mass extinction event.... How did these species survive mass extinction events?

A pair of Sacabambaspis fish, around 35 cm in length, which had distinct, forward-facing eyes and an armored head. No fossils of animals like Sacabambaspis from after the Late Ordovician Mass ...

Mass extinction events are defined by a 75% loss in total species. These events can take tens of thousands to several million years. Experts are alarmed at today’s “unprecedented” population abundance ...