From left, assistant professor of geology Emily Stewart, geology doctoral student Lindsi Allman and assistant professor of ...

Earth’s history has been shaped by five mass extinctions—catastrophic periods when life changed so dramatically that entire ...

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 ...

And in Indianapolis, a city councillor who had voted to expand AI infrastructure woke to thirteen gunshots fired into his ...

A study of fossil teeth from China shows early mammals got bigger before their diets became specialized after the ...

These demonic deep-sea creatures hunt in packs of thousands and are equipped with the perfect weapon to severe their prey’s ...

A new study of fossil teeth from 37 ancient mammal species suggests early placental mammals grew larger before developing ...

Tiny fossil teeth from Alaska are changing how scientists view mammal life and migration in the ancient Arctic.

In 1782, a lesser-known Founding Father, Charles Thomson, slapped a shield onto a bald eagle with talons full of arrows and olive branches and called it the Great Seal of the United States. Benjamin ...

Findings suggest placental mammals that lived in China following the most recent mass extinction evolved large teeth before developing more specialized dental structures associated with different ...

Fossils from the Jose Creek Formation in New Mexico reveal that angiosperms (flowering plants) had built dense, fruit-bearing ...