About 201 million years ago, at the close of a geological period called the Triassic, one of the worst mass extinctions in ...

One of the most devastating extinctions in Earth's history is best known for what didn't die—dinosaurs. But the end-Triassic ...

The end-Triassic extinction is often overshadowed by the disaster that killed the dinosaurs, but on its own it ranks among ...

Add Yahoo as a preferred source to see more of our stories on Google. No species lasts forever — extinction is part of the evolution of life. But at least five times, a biological catastrophe has ...

More than one million species are now at risk, and many scientists believe Earth has entered a sixth mass extinction. This video explores how habitat destruction, deforestation, climate change, and ...

Humans have wiped out hundreds of species — with many more on the brink or experiencing large declines in population. Some scientists have argued that we have entered a “sixth mass extinction” event ...

couple of Brachiosaurus altithorax and a flock of Pterosaurs in a scenic Late Jurassic landscape© dottedhippo/iStock via Getty Images The Jurassic Period is one of the three prehistoric geological ...

(CNN) — Humans have wiped out more than 100 species — with many more on the brink or experiencing large declines in population. Some scientists have argued that we have entered a “sixth mass ...

The extinction that ended the Age of Dinosaurs is best known for clearing the way for the Age of Mammals on land. Scientists ...

This week on 60 Minutes, correspondent Scott Pelley reports on something scientists are calling the sixth mass extinction. There have been five great die-offs in the history of our planet, when at ...

(CNN) — No species lasts forever — extinction is part of the evolution of life. But at least five times, a biological catastrophe has engulfed the planet, killing off the vast majority of species from ...