Animals

  1. Animals

    A common antibiotic might save some sick corals

    The antibiotic amoxicillin stopped tissue death in corals for at least 11 months after treatment.

    By
  2. Animals

    The secret to T. rex‘s incredible biting force is at last revealed

    The force of a T. rex bite was roughly 6 metric tons. A new study points to what’s behind that mighty force.

    By
  3. Earth

    Only 3 percent of Earth’s land is unchanged by people

    A sweeping survey of land-based ecosystems finds that very few still support all the animals they used to. Reintroducing lost species could help.

    By
  4. Ecosystems

    Analyze This: Invasive species cost the world billions each year

    A new study estimates that invasive species have cost the world more than $1 trillion since 1970. That’s almost certainly an underestimate.

    By
  5. Fossils

    Rhinos, camels and bone-crushing dogs once roamed Nebraska

    Scientists digging into the remnants of an ancient watering hole in Nebraska discovered evidence of an Africa-like savanna, complete with rhinos.

    By
  6. Life

    These rabbits can’t hop. A gene defect makes them do handstands

    Mutations in a gene that helps nerve cells work properly rob rabbits of their ability to hop. Instead, the animals use their front paws to move.

    By
  7. Animals

    Explainer: What are cicadas?

    There are more than 3,000 species of cicadas, but the best known in North America are periodical cicadas, which emerge every 13 or 17 years.

    By
  8. Animals

    How bees play telephone to form a swarm

    Honeybees use pheromones and flapping wings to tell each other where to find the queen — so they can all be together.

    By
  9. Life

    Scientists Say: Genus

    A genus is a group of closely related species. It’s the first part of the two-part system called binomial nomenclature, used to name living things.

    By
  10. Life

    Let’s learn about dogs

    From learning the names of their toys to sniffing out viruses in human sweat, dogs are far more than household pets.

    By
  11. Fossils

    Scientists Say: Dinosaur

    Dinosaurs emerged between 243 and 233 million years ago. While some died out 66 million years ago, others are still with us — birds.

    By
  12. Animals

    Explainer: Black bear or brown bear?

    If you see a bear, check size, shape and more to find out what type it is.

    By