New research has overturned decades of uncertainty by showing that Nanotyrannus was a fully grown predator, not a juvenile T. rex.

Tardigrades are survivors. For more than 500 million years, the microscopic “water bears” have spread all over the planet and endured some of the harshest conditions Earth has to offer. Now a new ...

In ancient ecosystems, small birds darted and called above fern canopies and along lake margins. Their fossils now rest encased in stone, awaiting study with modern analytical methods. A recent ...