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

There have been five mass extinction ... Ordovician Extinction 450 million years ago and up to the End-Cretaceous Extinction that killed off the dinosaurs 66 million years ago (see chart).

This illustration of an asteroid crashing into Earth could show what a mass extinction event was like earlier in the planet's history. The largest extinction event, the Great Dying, has been ...

A study on the Sixth Mass Extinction titled "Relationship between extinction magnitude and climate change during major marine and terrestrial animal crises" has been published in the journal ...

Scientists agree that the Earth is currently undergoing the sixth mass extinction in its 4.6-billion-year history. A new study says that there may be a time lag between when humans implement ...

This analogy shows that it might not take an earth-shattering event to start a mass extinction. In fact, some people argue that we humans are causing the sixth major extinction by our activities.

Volcanic activity on an enormous scale in today's Siberia and the release of large amounts of greenhouse gases have long been debated as potential triggers of the mass extinction. Still ...

Using the latest scientific techniques, researchers have been able to refine their estimates made in 2011, when they reported that the mass extinction happened in ... Traps in Russia to see how the ...

Since its formation about 4.5 billion years ago, the Earth has had five mass extinction ... Prof Kaiho pushed that timeline back, saying that 9 C warming is necessary to prevent such a disaster ...

Fossils, scientific discoveries and tireless research efforts have gradually unveiled the mesmerizing tapestry of the dinosaur timeline. Their captivating ... The dawn of dinosaurs began with the ...

A definitive geological timeline shows that a series of massive ... the second and largest of which coincides with the K-Pg mass extinction. Numerous other papers from his research groups are ...