Fossils

  1. Fossils

    Scientists Say: Fossil

    Under the right conditions, living things or traces they’ve left behind can be preserved in rock for a long time — millions or billions of years.

    By
  2. Fossils

    Small T. rex ‘cousins’ may actually have been growing teens

    Dinosaurs once thought to be mini cousins of Tyrannosaurus rex may have been merely adolescent members of the famous species, a new study suggests.

    By
  3. Animals

    Blood vessels in their heads kept big dinos from overheating

    Giant dinosaurs evolved several ways to cool their blood and avoid heatstroke.

    By
  4. Fossils

    Fossils show mammals’ rise to dominance after the dino-killing asteroid

    What happened to mammals after an asteroid wiped out the dinosaurs? Newfound fossils show how they grew in size, eventually dominating much of life on Earth.

    By
  5. Fossils

    Scientists Say: Paleontology

    This is the study of prehistoric life based on fossils of microbes, plants, and animals found in rock.

    By
  6. Fossils

    A flexible bone that aids mammals in chewing arose during the Jurassic

    A flexible bony structure that helps with chewing may have helped give rise to the Age of Mammals, a new fossil suggests.

    By
  7. Animals

    Ancient crocodiles may have preferred chomping plants, not meat

    Fossil teeth of ancient crocodilians suggest that some ate plants and that such green diets evolved in crocs at least three times more than 60 million years ago.

    By
  8. Earth

    Reliving the last day of the dinosaurs

    The Chicxulub crater is helping reveal what happened on the day a 12-kilometer-wide asteroid slammed into the Gulf of Mexico, 66 million years ago.

    By
  9. Fossils

    This tiny dinosaur is officially T. rex’s cousin

    A newly identified dinosaur species fills a gap in the tyrannosaur family tree.

    By
  10. Fossils

    Paleontologists find the first fossilized egg inside an ancient bird

    For the first time, paleontologists have found an unlaid egg inside an ancient bird fossil. That egg may have caused its mother’s death.

    By
  11. Fossils

    Mini tyrannosaur fills big evolutionary gap

    A newfound dinosaur named “omen of doom” fills a gap in tyrannosaur evolution. It helps to narrow when the group sized up.

    By
  12. Fossils

    Bones show ancient marine reptile was a big baby

    A new study of a rare baby plesiosaur reveals that these marine reptiles were huge at birth, then continued to grow speedily.

    By