For decades, scientists have debated what wiped out the dinosaurs 66 million years ago. The usual suspects? A massive asteroid or powerful volcanic eruptions. But now, researchers from Dartmouth ...

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 ...

Many of their descendants—modern birds—are currently threatened by extinction, with hundreds of species at risk due to human activity. This article explores the major extinction events that influenced ...

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 ...

The collapse of tropical forests during Earth's most catastrophic extinction event was the primary cause of the prolonged global warming which followed, according to new research. The Permian–Triassic ...

Massive volcanic eruptions on the Indian peninsula have long been proposed as an alternative cause for the demise of the dinosaurs. This phase of active volcanism took place in a period just before ...

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

A meteorite hit Earth about 66 million years ago near what today is the Yucatán peninsula, causing widespread destruction and death. But almost simultaneously, intense volcanism covered a vast area of ...

The study was led by Ariane Burke, an anthropologist at the University of Montreal’s Department of Anthropology. Her team ...