New fossil evidence from China suggests that some of our vertebrate ancestors had four eyes. The study, published in Nature, ...

The discovery shows that ancient vertebrates had a far more complex visual system than previously thought. The post Fossils ...

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

A rapid climate collapse during the Late Ordovician Mass Extinction devastated ocean life and reshuffled Earth’s ecosystems. In the aftermath, jawed vertebrates gained an unexpected edge by surviving ...

Scientists have investigated lamprey embryos using cutting-edge microscopic techniques to reveal interesting insights about vertebrate head evolution, clarifying an unresolved mystery in basic science ...

The fossil of an ancient sea squirt found in a collection at the Utah Museum of Natural History turned out to be the oldest of its kind. When you purchase through links on our site, we may earn an ...

Mummified mice found atop volcanoes in South America have long hinted that rodents forage on peaks as tall as 22,000 feet, but it turns out mice permanently live at these extreme heights. When you ...

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.

With terrifyingly sharp teeth arranged around a circular mouth, lampreys look about as primitive a vertebrate as you could imagine. But a new study finds that the animals have a surprising similarity ...