fossilsScienceGiant Prehistoric Penguins Stood Nearly 5 Feet TallScienceTar Pit Tour: The Ice Age Miracle From Miracle MileScienceAncient Cave Lion Bones Reveal Big Cats' DietScienceMoth's True Colors Shine After 47 Million YearsScienceAmber-Encased Mite Found Clinging to Fossil SpiderSciencePrehistoric Colors Preserved in Near-Perfect Beetle FossilsScienceArchaeopteryx Knocked From Roost as Original BirdScienceTriceratops Bones Support Asteroid Extinction TheoryScienceDinosaurs Had Mammal-Hot BloodScienceSense of Smell Drove Mammal Brains' GrowthScienceTiny Iron Spheres Are Oldest Fossilized Space DustScienceHummingbird-Sized Ants Once Roamed WyomingScienceBiggest Spider Fossil Ever FoundScienceFresh Evidence Adds Weight to Human Ancestor's IdentityScienceShark Teeth Found Stuck in Ancient Ammonite ShellScienceSimple Seaweeds May Be Earth's First PlantsScienceLegendary Dinosaur King Didn't Survive on Fast FoodScienceAncient Birds Clobbered Rivals With Clubbed WingsScienceOne-Fourth of DNA Born by 2.8 Billion Years AgoScienceGlacial Silt Encased Some of Earth's Best-Preserved FossilsScienceRepost: Megatherium Muzzles and the Diets of Giant Ground SlothsScienceFriday Field Photo #131: Trace of an ancient sea urchin preserved in the mountains of SpainScienceGiant Vicious-Looking Ancient Shrimp Was a Disappointing WimpScienceHigh Oxygen Levels Spawn Monster DragonfliesMore Stories
