A devastating ice age wiped out most marine life, yet new research reveals how this ancient disaster unexpectedly paved the ...

A pair of 'Sacabambaspis' fish, around 14 inches (35 centimeters) in length, which had distinct, forward-facing eyes and an ...

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

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

A rapid climate collapse during the Late Ordovician Mass Extinction devastated ocean life and reshuffled Earth’s ecosystems.

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

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

The efficient architecture of our joints, which allows our skeletons to be flexible and sturdy, originated among our most ...

Scientists describe the skull and jaws of a fish that lived about 410 million years ago. Their study may give important clues to the origin of jawed vertebrates. In an article in the journal Nature ...

Figure 1: Fossils relevant to early jawed-vertebrate evolution derive from major fossil sites in North America and Europe, and increasingly China and Australia. Crown-, total- and stem-group concepts ...