MS-LS4-1

Analyze and interpret data for patterns in the fossil record that document the existence, diversity, extinction, and change of life forms throughout the history of life on Earth under the assumption that natural laws operate today as in the past.

  1. Fossils

    Dino Flesh from Fossil Bone

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

    By Emily Sohn
  2. Fossils

    Big fish in ancient waters

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

    By Emily Sohn
  3. Fossils

    Dino bite leaves a tooth

    Meat-eating dinosaurs sometimes feasted on flying reptiles.

    By Emily Sohn
  4. 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
  5. Humans

    Digging up Stone Age art

    Researchers have uncovered some very old, mysterious animal sculptures.

    By Emily Sohn
  6. Fossils

    Did dinosaurs do handstands?

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

    By Sorcha McDonagh
  7. 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
  8. Fossils

    Dino-dining dinosaurs

    Some dinosaurs may have actually eaten each other.

    By Emily Sohn