Earth

  1. Oceans

    Sharks face rising odds of extinction even as other big fish populations recover

    Over the last 70 years, large ocean fishes like tuna and marlin have been recovering from overfishing. But sharks continue to decline toward extinction.

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  2. Climate

    Greenland’s frozen hinterlands are bleeding worse than we thought

    An inland swath of the Northeast Greenland Ice Stream is accelerating and thinning. It could contribute much more to sea level rise than estimated.

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  3. Earth

    Catastrophic solar storms may not explain shadows of radiation in trees

    Tree rings record six known Miyake events — spikes in global radiation levels in the past. The sun, as long presumed, might not be the sole culprit.

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  4. Climate

    Wind turbines could help capture carbon dioxide while providing power

    Turbulent wakes from wind turbines can concentrate CO2 from cities and factories, making it easier to remove the greenhouse gas from the atmosphere.

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  5. Earth

    Particles from space provide a new look inside cyclones

    Cosmic rays that smash into the atmosphere make muons that are sensitive to changing air pressure inside storms.

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  6. Climate

    Here’s what happened to the Delaware-sized iceberg that broke off Antarctica

    The powerful pull of currents in the Southern Ocean probably pulled apart the largest remnant of a massive iceberg that split off Antarctica in 2017.

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  7. Earth

    Landslides shaped a hidden landscape within Yellowstone

    Scientists have used lasers to get a detailed view of the national park’s topography, and they’ve spotted more than a thousand landslides.

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  8. Microbes

    How fungi make potent toxins that can contaminate food

    Genetically engineering Aspergillus fungi to delete certain proteins stops the production of mycotoxins that can be dangerous to human health.

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  9. Environment

    Heat waves in U.S. rivers are on the rise. Here’s why that’s a problem

    In recent years, heat waves in U.S. rivers have gotten more frequent, causing trouble for fish, plants and water quality.

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  10. Earth

    50 years ago, scientists found a new way to clean up oil spills

    In the 1970s, researchers added chemicals to the list of oil spill cleanup methods. Soon, they may add microbes.

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  11. Animals

    Tree-climbing carnivores called fishers are back in Washington’s forests

    Thanks to a 14-year reintroduction effort, fishers, or “tree wolverines,” are once again climbing and hunting in Washington’s forests after fur trapping and habitat loss wiped them out.

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  12. Climate

    Climate change could turn some blue lakes to green or brown

    As temperatures rise, more than 1 in 10 of the world’s blue lakes could change color, reflecting holistic shifts in lake ecosystems.

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