Discover how the first mass extinction put jawed fishes on the map, species that would later come to dominate animal life on ...

A pair of 'Sacabambaspis' fish, around 14 inches (35 centimeters) in length, which had distinct, forward-facing eyes and an armored head. No fossils of animals like 'Sacabambaspis' from after the Late ...

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.

About 445 million years ago, Earth nearly wiped out life in the oceans. Glaciers spread across the supercontinent Gondwana, ...

Prof John Marshall has made 19 expeditions to Greenland and Norway over 30 years.

Rapid changes in marine oxygen levels may have played a significant role in driving Earth's first mass extinction, according to a new study led by Florida State University researchers.

Some 445 million years ago, life on Earth was forever changed. During the geological blink of an eye, glaciers formed over ...

A new study led by researchers at the University of Oxford has shown that the shape and orientation of coastlines ...