Biological Evolution: Unity and Diversity

  1. Fossils

    Dinosaur Eggs-citement

    Scientists have found dinosaur eggs, with their shells on, inside a female dino fossil.

    By Emily Sohn
  2. Fossils

    Dino Flesh from Fossil Bone

    Scientists may have found dinosaur blood vessels and cells inside a fossilized leg bone.

    By Emily Sohn
  3. Fossils

    Dino takeout for mammals

    Ancient mammals dined on young dinosaurs.

    By Emily Sohn
  4. Fossils

    Big fish in ancient waters

    Fossils have revealed an ancient, oversized relative of modern-day swordfish.

    By Emily Sohn
  5. Fossils

    Dino bite leaves a tooth

    Meat-eating dinosaurs sometimes feasted on flying reptiles.

    By Emily Sohn
  6. Fossils

    Ancient critter caught shedding Its skin

    A fossil reveals that ancient animals shed their skin, just as insects and crustaceans do today.

    By Emily Sohn
  7. Humans

    Digging up Stone Age art

    Researchers have uncovered some very old, mysterious animal sculptures.

    By Emily Sohn
  8. Fossils

    Dinosaurs grow up

    Learning how fast dinosaurs grew may help link birds to dinosaurs.

    By Emily Sohn
  9. Fossils

    Did dinosaurs do handstands?

    Enormous dinosaurs might have balanced on their front feet when wading in shallow water.

    By Sorcha McDonagh
  10. Fossils

    A really big (but extinct) rodent

    A rodent about the size of a bison once roamed the riverbanks of ancient Venezuela.

    By Emily Sohn
  11. Tech

    Butterfly wings and waterproof coats

    Inspired by nature, scientists have come up with clever new designs for waterproof coatings.

    By Emily Sohn
  12. Fossils

    Dino-dining dinosaurs

    Some dinosaurs may have actually eaten each other.

    By Emily Sohn