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. illustration of a lizard sitting on a branch. shown is its head and neck with sap dripping down around it

    An ancient creature thought to be a teeny dinosaur turns out to be a lizard

    CT scans of hummingbird-sized specimens trapped in amber reveal that the 99-million-year-old fossils have a number of lizardlike features.

  2. photo of damage at a hydroelectric power plant in the mountains

    Scientists have found the origins of a mysterious, deadly flood in India

    A landslide of rock and ice caused the deadly flood that washed out two hydroelectric power plants in an Indian Himalayan state in February.

  3. hammerhead shark swimming in the ocean

    Something mysteriously wiped out about 90 percent of sharks 19 million years ago

    Deep sediments beneath the Pacific Ocean revealed a mystery: a massive shark die-off with no obvious cause.

  4. person walking by an electronic sign in Phoenix that reads 122 degrees and 6:27pm

    The last 30 years were the hottest on record for the United States

    Typical temps across large swaths of the country are now 1 to 2 degrees Fahrenheit higher than their 20th-century averages.

  5. radar image of Subtropical Storm Ana marked with a red x

    2021 will be another busy year for the Atlantic hurricane season

    The average season is busier than it used to be, as NOAA predicts 13 to 20 named Atlantic storms between June 1 and November 30.

  6. People hold up a poster that reads, "Earth needs thinkers not deniers"

    Climate change disinformation is evolving. So are efforts to fight back

    Researchers discuss effective ways to counter the changing tactics of climate denial.

  7. image of the Gwydir River

    Rivers might not be as resilient to drought as once thought

    Seven years after Australia’s Millennium drought, water flow in many rivers isn’t returning to predrought levels.

  8. Mangrove trees in Mexico's Cristalino Cenote

    Mangrove forests on the Yucatan Peninsula store record amounts of carbon

    Dense tangles of roots and natural water-filled sinkholes join forces to stockpile as much as 2,800 metric tons of carbon per hectare in the soil.

  9. Tengchong Yunnan hot springs in China

    These climate-friendly microbes recycle carbon without producing methane

    A newly discovered group of single-celled archaea break down decaying plants without adding the greenhouse gas methane to the atmosphere.

  10. autonomous underwater vehicle Ran amid floating ice

    A trek under Thwaites Glacier’s ice shelf reveals specific risks of warm water

    An underwater autonomous craft collected the first data on the chemistry of seawater eroding the icy underbelly of Antarctica’s Thwaites Glacier.

  11. tropical rainforest in Colombia

    The dinosaur-killing asteroid impact radically altered Earth’s tropical forests

    The asteroid impact fundamentally reset the nature of Earth’s tropical rainforests, decreasing diversity at first and making them permanently darker.

  12. Perseverance parachuting down to Mars

    50 years ago, experiments hinted at the possibility of life on Mars

    In 1971, lab experiments suggested organic molecules could be made on Mars. Fifty years later, robots are searching for such signs of life on the planet itself.