Researchers may have just scratched the surface of a major new dinosaur site nearly inside the Arctic Circle. This past summer, they discovered thousands of fossilized dinosaur footprints, large and small, along the rocky banks of Alaska’s Yukon River.
(Photo: Natural History Museum, London / Mark Witton)
A wonky beast about the size of a Labrador retriever with a long neck and lengthy tail may be the world’s earliest known dinosaur, say researchers who analyzed fossilized bones discovered in Tanzania in the 1930s.
Dinosaurs may have wooed potential mates with flashy feathers, peacock style. Researchers have discovered lengthy wisps on a sexually mature adult, but absent in the toddler specimen of the same dinosaur species.