About 445 million years ago, Earth’s oceans turned into a danger zone. Glaciers spread across the supercontinent Gondwana, ...

A massive ice age wiped out ocean life 445 million years ago, reshaping ecosystems and setting the stage for jawed fish ...

One of Earth’s earliest mass extinctions wiped out most ocean life during a sudden global ice age. From the ruins, jawed vertebrates survived, diversified, and transformed the course of evolution.

The conservation of genome regulatory elements over long periods of evolution is not limited to vertebrates, as previously ...

Hutton, Nicholas, III. 1976. "Origin and Radiation of the Classes of Poikilothermous Vertebrates." In Evolution of brain and behavior in vertebrates. Masterton, R ...

If you liked this story, share it with other people. A new study analyzing human-driven extinction threats to jawed vertebrates warns that we could lose between 86 billion and 160 billion years’ worth ...

Charles Darwin proposed that evolution is driven by gradual variations in organisms that have a survival advantage in a changing environment. But University of Maryland evolutionary biologist Karen ...