Winter storms threaten holiday travel with snow in the Northeast and heavy rain across California. Newsweek's live blog is closed.
Techno-Science.net on MSN

When dinosaurs forgot how to fly!

In eastern China, fossils of dinosaurs called Anchiornis have been discovered with their feathers intact. These specimens, 160 million years old, offer a unique opportunity to study the anatomy ...
Some feathered dinosaurs may have lost the ability to fly, revealing that the evolution of flight was far more complex than ...
Learn how rare fossil feathers preserved molting patterns, revealing new findings of dinosaur flight.