Some biologists conclude that humans owe our present dominance to a mass extinction -- the K/T event that saw the end of the dinosaurs and cleared the way for mammals to diversify into all the ...

Scientists have discovered levels of iridium 30 times greater than average in the Cretaceous/Tertiary (KT) boundary, the layer of sedimentary rock laid down at the time of the dinosaur extinction.

This wasn't the first mass extinction in our planet's history ... also known as the K-T extinction) left an indelible mark on ...

But a different mass extinction was responsible for the success of the dinosaurs. Around 201 million years ago, incredible volcanic outpourings in the supercontinent Pangaea shook up life on Earth ...

Some scientists think human activity might be causing a mass extinction now. Humans are destroying natural habitats and global warming is causing environments to change rapidly! And this is ...

We're in the midst of the Earth’s sixth mass extinction crisis. Harvard biologist E. O. Wilson estimated that 30,000 species per year (or three species per hour) are being driven to extinction.

This story appears in the October 2019 issue of National Geographic magazine. Some scientists contend that we’re heading toward what would be the sixth mass extinction in the history of life on ...

During a cataclysmic mass extinction event, there are typically not many places to hide. However, a region of the mountainous Turpan-Hami Basin in the Xinjiang Autonomous Region in Western China ...

Ancient frog relatives survived the aftermath of the largest mass extinction of species by feeding on freshwater prey that evaded terrestrial predators, academics have found. Ancient frog ...