All Stories

  1. Space

    Scientists Say: Pulsar

    These rapidly spinning dead stars send beams of radio waves into space like cosmic lighthouses.

    By Skyler Ware
  2. Animals

    Bottlenose dolphin moms baby talk when their calves are near

    Around their babies, bottlenose dolphin moms whistle with higher pitches. It’s similar to human parents speaking in baby talk.

    By McKenzie Prillaman
  3. Animals

    Explainer: What is metamorphosis?

    Insects, amphibians and some fish undergo metamorphosis. But they’re not the only ones.

    By Aaron Tremper
  4. Animals

    Megalodons may have become megahunters by running hot

    O. megalodon sharks were warm-blooded mega-predators. But when food sources dwindled, colder-blooded sharks may have had an evolutionary edge.

    By Carolyn Gramling
  5. Earth

    A volcanic eruption sparked the highest lightning ever seen

    The eruption plume spawned lightning that started 20 to 30 kilometers (some 12 to 19 miles) above sea level.

    By Skyler Ware
  6. Ecosystems

    Scientists Say: Predator and Prey

    Ecological relationships between predators and their prey drive the evolution of plants, animals and microbes.

    By Katie Grace Carpenter
  7. Health & Medicine

    Swollen chambers in astronauts’ brains may take 3 years to recover

    How long astronauts spend in space and the time since their last mission affects how much fluid-filled chambers in their brains expand while in space.

    By McKenzie Prillaman
  8. Plants

    A single particle of light can kick off photosynthesis

    In a new experiment with bacteria, a lone photon sparked the process of turning light to chemical energy.

    By Emily Conover
  9. Animals

    Northern elephant seals snooze only two hours a day at sea

    These marine mammals sleep only minutes at a time on months-long trips at sea.

    By Maria Temming
  10. Earth

    Scientists Say: Tectonic Plate

    Tectonic plates are giant slabs of rock that make up Earth’s outer layer.

    By Maria Temming
  11. Animals

    Explainer: What is animal domestication?

    The difference between a dog and a wolf isn’t looks or genes or even behavior. It’s the relationship these animals have with people.

    By Bethany Brookshire
  12. Materials Science

    This house is partly made of recycled diapers

    After being washed, dried, sanitized and shredded, used diapers were mixed with other materials to make a strong concrete.

    By Carolyn Gramling
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