New research finds extinction rates have been declining for a century, challenging assumptions of an ongoing mass extinction.

Welcome to what scientists call the Sixth Mass Extinction. Unlike previous mass extinctions caused by asteroids or volcanoes, ...

Scientists have documented five major mass extinction events in Earth's history, during which at least three-quarters of life went extinct. But with humans clearing habitats, exterminating species and ...

The idea that extreme climate change could one day cause a mass extinction and end the human dominance is not as farfetched ...

We may not be living through Earth’s sixth mass extinction event ­­— at least not yet. That’s the conclusion of a new analysis of plant and animal extinctions published September 4 in PLOS Biology.

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Extinction is a natural byproduct of life and evolution, but an alarming number of species have entered the dustbin of history thanks to human activity — which is anything but natural. "The solution ...

Our planet’s first known mass extinction happened about 440 million years ago. Species diversity on Earth had been increasing over a period of roughly 30 million years, but that would come to a halt ...

The Jurassic Period is one of the three prehistoric geological periods of the Mesozoic Era. It spans from 145 million to 201 million years ago. This period was preceded by the Triassic Period and ...

...WIND ADVISORY REMAINS IN EFFECT FROM 1 PM SUNDAY TO 1 AM PST MONDAY... * WHAT...Southwest winds 25 to 30 mph with gusts up to 50 mph expected. * WHERE...Downtown ...

The mass extinction that wiped out nearly all life on Earth just before the dinosaurs evolved may have been caused by a global temperature drop rather than a rapidly warming climate. The End Triassic ...