Science Bizarre feathered dinosaur had four wings, probably couldn't fly well

Changyuraptor yangi, which had the longest feathers of any known dinosaur, lived in what is today modern China some 125 million years ago.

By , Rueters

S. Abramowicz/Dinosaur Institute/NHM/Handout via Reuters

It was built sort of like a biplane but probably did not fly as well, if at all.