Paleontology

  1. Paleontology

    Telltale Dino Heart Hints at Warm Blood

    A recently discovered fossil dinosaur heart is more like the heart of birds and mammals than that of crocodiles, providing further evidence that dinosaurs may have been warm-blooded.

    By Tina Hesman Saey
  2. Paleontology

    Salvaged DNA adds to Neandertals’ mystique

    Researchers who isolated a sample of Neandertal mitochondrial DNA say that it provides no evidence that Neandertals contributed to modern human evolution.

    By Bruce Bower
  3. Paleontology

    Fossil gets a leg up on snake family tree

    A 95-million-year-old fossil snake with legs may be an advanced big-mouthed snake, not a primitive ancestor.

    By Tina Hesman Saey
  4. Paleontology

    Dinosaurs, party of six, meat eating

    The bones of six carnivorous dinosaurs discovered in a fossil bed in Patagonia may indicate that big, meat-eating dinosaurs were social creatures.

    By Tina Hesman Saey
  5. Paleontology

    All mixed up over birds and dinosaurs

    A bit of fossil fakery snookered a team of paleontologists

    By Richard Monastersky