A mass extinction is when big percentage of all species die off. The best-known mass extinction is probably the one that ...

It caused changes that wiped out about 75% of all living things. But the first major mass extinction was way before that—about 443 million years ago. It’s called the Late Ordovician mass extinction.

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allowing levels of ultraviolet radiation lethal to life to reach Earth and this may have triggered the Ordovician mass extinction. We can only work on what we know about and we do know that carbon ...

Overfishing is driving most species to extinction. Indonesia, Spain, and India are the world’s largest shark-fishing nations, with Mexico and the USA adding to the top five shark catchers. But only 26 ...

Much of my current and ongoing research focuses on the Ordovician to better understand (1) the evolution of crinoid paleocommunities during the lower Paleozoic, and (2) extinction selectivity and long ...

Protest group Extinction Rebellion (XR) is carrying out a week of demonstrations to highlight what it says is government inaction on climate change. On Wednesday, some protesters glued themselves ...

During the protest, organised by Extinction Rebellion, activists walked onto the A12 highway demanding an end to fossil fuel subsidies. Police fired water cannon to try to disperse the crowds ...

This period brought about intense planetary cooling, which culminated in a glaciation and the major ‘Late Ordovician Mass Extinction’. It led to the loss of about 85% of species dwelling in the oceans ...