In the history of life on Earth, there have been five mass extinction events, with the most extreme example, the Permian extinction, wiping out some 95 percent of all marine life. Now, an MIT ...

Recently paleontologists have discovered something that many will find rather chilling. According to new research, mass extinctions of land-dwelling animals, including amphibians, reptiles, mammals, ...

Scientists from New York University have found that mass extinctions of land-based animals are more predictable than previously thought, and occur roughly every 27 million years in a cycle likely due ...

Researchers at the University of Queensland looked at something called the anthropogenic Allee effect (AAE), a theory that proposes a critical population level threshold below which the likelihood of ...

Earth’s history has always been a story told through the fossilized remains of long-extinct creatures. For centuries, scientists have used these remnants to piece together the planet’s geological ...

With surprising and mysterious regularity, life on Earth has flourished and vanished in cycles of mass extinction every 62 million years, say two scientists who discovered the pattern after a ...

Life has flourished and then vanished in 62-million-year cycles, they argue. With surprising and mysterious regularity, life on Earth has flourished and vanished in cycles of mass extinction every 62 ...

Mass extinctions of land-dwelling animals--including amphibians, reptiles, mammals, and birds -- follow a cycle of about 27 million years, coinciding with previously reported mass extinctions of ocean ...

SANTA CRUZ, CA–Climate change could trigger “boom and bust” population cycles that make animal species more vulnerable to extinction, according to Christopher C. Wilmers, an assistant professor of ...