Introducing

  1. Animals

    This ancient marsupial lion had an early version of ‘bolt-cutter’ teeth

    Extinct dog-sized predator crunched with unusual slicers toward the back of its jaw.

    By Susan Milius
  2. Paleontology

    This new dinosaur species was one odd duck

    Weird dino swimmer had flipperlike limbs and a swanlike neck.

    By Carolyn Gramling
  3. Animals

    The Lord Howe stick insect is officially back from the dead

    New genomic sequencing confirms that stick insects discovered near Lord Howe Island are the assumed-extinct Lord Howe stick insect.

    By Mariah Quintanilla
  4. Paleontology

    New dinosaur sported a curious set of chompers

    Matheronodon provincialis, a newly described dinosaur, munched on tough plants with big scissors for teeth.

    By Helen Thompson
  5. Animals

    This sea snake looks like a banana and hunts like a Slinky

    A newly identified sea snake subspecies is known to live in a single gulf off the Pacific coast of Costa Rica.

    By Bethany Brookshire
  6. Paleontology

    This ancient sea worm sported a crowd of ‘claws’ around its mouth

    A newly discovered species of arrow worm that lived over half a billion years ago had about twice as many head spines as its modern kin.

    By Laurel Hamers
  7. Animals

    This glass frog wears its heart for all to see

    A newly discovered glass frog species has skin so clear that it reveals most of the animal’s internal organs, including the heart.

    By Cassie Martin
  8. Paleontology

    New dinosaur resurrects a demon from Ghostbusters

    The most complete skeleton of an ankylosaur shows an armored, club-tailed dinosaur with a head like a Ghostbusters demon.

    By Laurel Hamers
  9. Animals

    New worm-snail is a super slimer

    New worm-snail species shoots snot to snag a snack.

    By Elizabeth Eaton
  10. Paleontology

    New tyrannosaur had a sensitive side

    Tyrannosaurs may have had sensitive snouts that detected temperature and touch.

    By Elizabeth Eaton
  11. Animals

    Detachable scales turn this gecko into an escape artist

    A new species of gecko evades predators by shedding its scaly armor.

    By Elizabeth Eaton
  12. Paleontology

    Dragon dinosaur met a muddy end

    ‘Mud dragon’ fossil discovered in China suggests that dinosaurs’ last days were an active time of evolution.

    By Meghan Rosen
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