John Pickrell

All Stories by John Pickrell

  1. Fossils

    The challenge of dinosaur hunting in deep caves

    Spelunkers aren’t the only people to find caves interesting. So do paleontologists. Though getting to work may be harrowing, they find it’s worth it.

  2. Environment

    Australian fires have imperiled up to 100 species

    As massive wildfires consume huge swaths of Australia’s bush, untold species — many of them found nowhere else — are now threatened with extinction.

  3. 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.