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, ...

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 ...

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 ...