Rebecca Totten, associate professor at the University of Alabama looks into the mud at the bottom of the Amundsen Sea in Antarctica. Totten, a micro-paleontologist studies microscopic fossils of sea ...

WASHINGTON-In a humid, tropical jungle in southern China eons ago, a remarkably bird-like dinosaur with wing-like arms, a toothless beak and a dome-shaped crest atop its head became trapped in mud, ...