UC College of Arts and Sciences Professor Thomas Algeo has been studying the planet's five major mass extinctions since the ...

Will modern coral reefs go extinct? The answer is uncertain, but some of their ancient counterparts managed to dodge a bullet — for a while, at least. Scientists from Osaka Metropolitan University ...

Exploding stars in near-solar space may have triggered at least two mass extinction events in Earth's history. An analysis of the frequency of supernova explosions in the Milky Way, led by ...

The late Devonian extinction is one of the five major extinction events to have occurred on Earth. It's not unusual for scientists to argue over what causes a mass extinction event -- of the five, the ...

Exploding stars in near-solar space may have triggered at least two mass extinction events in Earth’s history. A new study ...

The evolution of life on land -- The plants establish a beachhead -- The first animal invasion -- The first catastrophe and retreat -- The second animal invasion -- The second catastrophe and retreat ...

There have been five unquestionably great extinctions on earth: the end-Ordovician, the late-Devonian, the end-Permian, end-Triassic, and the end-Cretaceous extinctions. Some think we are now in a ...