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In ancient oceans that resembled our own, oxygen loss triggered mass...

Scientists are peeking into ancient oceans to unravel the complexities of mass extinctions, past and future.

Researchers uncover new clues to surviving extinction

This is a view of Coalcliff in New South Wales, Australia, where researchers discovered evidence that Earth's largest extinction may have extinguished plant life nearly 400,000 years before marine animal species disappeared. Credit: Christopher Fielding

Earth’s largest extinction event likely took plants first

This illustration shows the percentage of marine animals that went extinct at the end of the Permian era by latitude, from the model (black line) and from the fossil record (blue dots). A greater percentage of marine animals survived in the tropics than at the poles. The color of the water shows the temperature change, with red being most severe warming and yellow less warming. At the top is the supercontinent Pangaea, with massive volcanic eruptions emitting carbon dioxide. The images below the line represent some of the 96 percent of marine species that died during the event. Includes fossil drawings by Ernst Haeckel/Wikimedia; Blue crab photo by Wendy Kaveney/Flickr; Atlantic cod photo by Hans-Petter Fjeld/Wikimedia; Chambered nautilus photo by ©2010 John White/CalPhotos. Credit: Justin Penn and Curtis Deutsch/University of Washington

Biggest mass extinction caused by global warming leaving ocean animals gasping...

A fossil tooth of a hippo (Hippopotamus amphibius) (left) and a fossil tooth of a white rhinoceros (Ceratotherium simum) (right) , two of the few surviving megaherbivores, from the Late Pleistocene of western Kenya (left).

Human ancestors not to blame for ancient mammal extinctions in Africa

Reconstruction of a living Mirarce eatoni perched on the horns of the ceratopsian dinosaur

Rare fossil bird deepens mystery of avian extinctions

An illustration of how the smaller mammals will have to evolve and diversify over the next 3-5 million years to make up for the loss of the large mammals.

Mammals cannot evolve fast enough to escape current extinction crisis

fossil mollusks

The walking dead: Fossils on the move can distort patterns of...

sample of mantle xenolith, rock sections of the lithosphere that get captured by the passing magma and erupted to the surface during the volcanic explosion.

Geologists uncover new clues about largest mass extinction ever

Ediacaran carbonate rocks in Three Gorges area, Hubei Province

What caused the mass extinction of Earth’s first animals?

Female (top) and male (below) of the ostracod Cypideis salebrosa.

Scientists Understand the Role of Sexual Selection in Extinction

When it comes to extinction, body size matters

Rainforest collapse 307 million years ago impacted the evolution of early...

learcut logging in the Pacific Northwest

Past mass extinctions could help scientists prevent the next one

Dinosaur illustration

Mammals switched to daytime activity after dinosaur extinction

Petrified Forest National Park

Research provides unique insight into extinction dynamics in late Triassic

Mountains

Lost mountains in the Karoo reveal the secrets of massive extinction...

Mass extinctions led to low species diversity, dinosaur rule

Siberian volcanic eruptions caused extinction 250 million years ago

Understanding Caribbean mammal extinctions of the past spurs renewed focus on...

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