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 ...

As a deduction of that syllogism and from the punted fear of mass deaths ... Which ones consume C12 carbon isotopes as opposed to those that consume C13? How many trees are indigenous, and ...

The Mesozoic Era began with the Earth’s worst-ever extinction event. It is referred to as the Permian-Triassic extinction ... As the land mass divided, lava was released, emitting massive amounts of ...

A new study has claimed that Earth would experience a mass extinction in 250 million years, eradicating all mammals - even if fossil fuel emissions were to cease immediately. Researchers at the ...

The idea that extreme heat could one day cause a mass extinction ... Ordovician-Silurian Extinction, removing roughly 85% of sea life. Near 360 million years ago, the Late Devonian wiped out up to 75% ...

Stable‑isotope evidence from other ichthyosaur bones hints ... That broader picture shows ichthyosaurs rising fast after the end‑Permian mass extinction, then peaking in size just before the next ...

Their link to those mass extinctions ... a radioactive isotope created in supernovas but rarely found naturally on Earth. Scientists are searching ancient sediment layers for these atomic fingerprints ...

Read about the Jurassic extinction event that wiped out many species at the beginning of this Period and led to the rise of ...

About 252 million years ago, upward of 80% of all marine species vanished during the end-Permian mass extinction—the most extreme event of its kind in Earth's history. What followed was a ...