Carolyn is the Earth & Climate writer at Science News. Previously she worked at Science magazine for six years, both as a reporter covering paleontology and polar science and as the editor of the news in brief section. Before that she was a reporter and editor at EARTH magazine. She has bachelor’s degrees in Geology and European History and a Ph.D. in marine geochemistry from MIT and the Woods Hole Oceanographic Institution. She’s also a former Science News intern.

All Stories by Carolyn Gramling

  1. lemon shark underwater

    Fossil teeth show how a mass extinction scrambled shark evolution

    The dinosaur-destroying mass extinction event didn’t wipe out sharks, but it did change their fate.

  2. blue diamond

    Rare blue diamonds are born deep in Earth’s mantle

    Rare blue diamonds are among the deepest ever found, and hint at possible pathways for recycling of ocean crust in the mantle.

  3. Dunkleosteus

    An ancient swimming revolution in the oceans may have never happened

    Swimmers may not have suddenly dominated the oceans during the Devonian Period after all: New analyses suggest they took over much more gradually.

  4. giant long-necked sauropod

    Long-necked dinosaurs grew to be giants in more ways than one

    Some early relatives of giant, long-necked sauropods may have used a different strategy to grow to colossal sizes than previously thought.

  5. lava from Kilauea

    Kilauea’s spectacular pyrotechnics show no signs of stopping

    Watch some of the most striking videos and images of the strange, fiery beauty of the Hawaii volcano’s ongoing eruption.

  6. rover on Mars surface
    Planetary Science

    Mars got its crust quickly

    The Martian crust had solidified within 20 million years of the solar system’s formation.

  7. illustration of bison and mammoths

    Why won’t this debate about an ancient cold snap die?

    Critics are still unconvinced that a comet caused a mysterious cold snap 12,800 years ago.

  8. Cotopaxi, volcano in Ecuador

    This volcano revealed its unique ‘voice’ after an eruption

    Identifying patterns in a volcano’s low-frequency sounds could help monitor its activity.

  9. amber

    These newfound frogs have been trapped in amber for 99 million years

    Trapped in amber, 99-million-year-old frog fossils reveal the amphibians lived in a wet, tropical climate.

  10. Satellite image of Hurricane Harvey

    Tropical cyclones have slowed over the last 70 years

    Tropical cyclones are moving 10 percent slower, on average, than they did in the mid-20th century, potentially making them more dangerous.

  11. tetrapod illustration

    The first land-walking vertebrates may have emerged from salty estuaries

    Early tetrapods were transitional creatures — not only between land and water, but also between fresh and salty environments.

  12. honeybee

    Keeping global warming to 1.5 degrees C helps most species hold their ground

    Holding global warming to 1.5 degrees Celsius by 2100 could help protect tens of thousands of insect, plant and vertebrate species.