This four-winged dinosaur may have terrorized Earth's earliest birds

Why this matters: new research or scientific developments with potential real-world impact.

A newly discovered feathered dinosaur called Jian changmaensis may be the missing predator responsible for mysterious piles of crushed prehistoric bird bones in China. The four-winged glider, a close cousin of Velociraptor, helps reveal how early birds and their dinosaur relatives shared the same an