Tagged: dinosaur

Dinosaurs Already In Decline Before Asteroid?

Some 66 million years ago, on the Yucatán peninsula in Mexico, a 12 kilometer-wide (7.5 mile-wide) asteroid crashes to Earth. The impact causes an explosion whose magnitude is hard to imagine today: several billion times more powerful than the atomic bomb dropped on Hiroshima. Most...

New Dinosaur Species Sported Uniquely Spiked Shield

Scientists have identified a new type of horned dinosaur with a uniquely decorated neck frill. According to an article in the journal PLOS One, Spiclypeus shipporum lived approximately 76 million years ago in what’s the present-day state of Montana in the United States. The fossils...

Scientists Discover First Dinosaur Tail Preserved in Amber

Among paleontologists, the feather is a sticky subject. General opinion holds that birds, and their flight-ready feathers, evolved from feathered, land-based dinosaurs. Yet dinosaurs had feathers millions of years before they started flying, suggesting feathers didn’t evolve for flight. What purpose feathers served and where...