The planet's trees have seen plenty of history pass by their trunks. In fact, they began to populate Earth 385 million years ...

Manitoba is well-known for its fossil record, including the fossil-filled, world-famous Ordovician-aged Tyndall Stone and the ...

Earth formed about 4.6 billion years ago, during the geological eon known as the Hadean. The name "Hadean" comes from the ...

By the mid-Devonian, Earth's earliest known tetrapod Tiktaalik roseae had crawled out of the sea. However, the Devonian period also saw some of the most significant extinctions in Earth's history, ...

Earth’s marine species, especially those at the tropics, were in trouble again about 419 million to 365 million years ago. This series of mass extinctions during the Devonian period eventually ...

They believe a supernova explosion close to Earth could be to blame for both the late Devonian and Ordovician extinction events, which occurred 372 and 445 million years ago respectively. Skip to ...

The primary cause behind the Devonian and Ordovician mass extinction events is not fully understood, but both of them have also been linked to the depletion of Earth's ozone layer.

The Devonian Period, 419 to 358 million years ago, was one of the most turbulent times in Earth’s past and was marked by at least six significant marine extinctions, including one of the five ...

Two of Earth's largest mass extinction events were likely triggered by the fallout from two supernovae in nearby space. ... and the end of the Devonian, about 372 million years ago. ...

Fossilized tracks in Australia reveal amniotes evolved 35-40 million years earlier than thought, pushing tetrapod origins back to the Devonian period.

Previous research has yet to determine the cause for either the late Devonian or Ordovician mass extinctions, which occurred 372 and 445 million years ago, respectively. The Ordovician extinction ...