Smithsonian Magazine10h
Paleontologists Discover Fossil of the Oldest Known Modern Bird—but It Raises More Questions Than It Answers
Paleontologists have been arguing whether modern birds developed before or after the infamous asteroid for decades. Now, a ...
Fossils Preserve Both Skin and Scales From an Ancient Sea Monster
With serpentine necks, flippers and a mouth full of needle-sharp teeth, plesiosaurs have captured imaginations since ...