Around 66 million years ago, a six-mile-wide asteroid hit Earth, triggering the extinction of three-quarters of all living ...

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The "Big Five" mass extinctions of the Phanerozoic Eon have long attracted significant attention from the geoscience ...

An international team of researchers discovered evidence that a mass extinction 260 million years ... He is optimistic that geology will unlock more mysteries about prehistoric life on Earth.

Their ancestors survived two mass extinctions, a feat that required ... Natural History Museum and professor in the Department of Geology and Geophysics at the University of Utah.

Ocean life was devastated by a deadly land-sea “tag team” 100 million years ago, reveals new research. A string of catastrophic environmental events triggered "mass extinctions" of marine ...

While geologic events caused most previous mass extinctions, the current trend, often referred to as “the sixth mass extinction,” has a different cause: humans. In the modern era, humans have played a ...

as are all other mass extinctions in the geologic record,” Evans said in a news release. A mass extinction occurs when at least 75 per cent of species are destroyed. The Earth has had five.

These might seem like long time periods to us, but they are merely blips in deep (geologic ... take an earth-shattering event to start a mass extinction. In fact, some people argue that we ...

Large-scale disruptions to life may ultimately increase ecological complexity over geologic timescales ... Refuge from the worst mass extinction in Earth's history discovered fossilized in ...

A study on the Sixth Mass ... extinction magnitude using only surface temperature is difficult because the causes of the anthropogenic extinction differ from causes of mass extinctions in geologic ...

Plate tectonics is geology’s Theory of Everything ... They may even be responsible for some of the “mini” mass extinctions which punctuate the fossil record. His work began with a different ...