Search Results for: Bears

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6,727 results
  1. Planetary Science

    Granite likely lurks beneath the moon’s surface

    Without plate tectonics or water, granite is hard to make. But a 50-kilometer-wide hunk sits beneath the moon’s surface, lunar orbiter data suggest.

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  2. Paleontology

    Living fast may have helped mammals like ‘ManBearPig’ dominate

    Staying in the womb for a while but being born ready to rock may have helped post-dinosaur mammals take over the planet.

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  3. Tech

    50 years ago, a balloon circumnavigated the world for science

    A 1973 high-altitude flight kicked off an era of useful stratospheric balloon science. Some scientists worry that heightened concerns over alleged spy balloons might hamper that.

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  4. Life

    The Endangered Species Act is turning 50. Has it succeeded?

    After 50 years, this landmark law has kept many species alive — but few wild populations have recovered enough to come off the “endangered” list.

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  5. Archaeology

    Indigenous input revealed early hints of fiber making in the tropics

    To decipher marks on nearly 40,000-year-old stone tools and figure out what they were used for, researchers turned to the Philippines’ Pala’wan people.

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  6. Ecosystems

    Some polar bears in Greenland survive on surprisingly little sea ice

    “Glacial mélange” could provide a last refuge for some bears as the Earth warms, but climate action is needed to preserve the species, researchers say.

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  7. Microbes

    Ancient bacteria could persist beneath Mars’ surface

    Radiation-tolerant microbes might be able to survive beneath Mars’ surface for hundreds of millions of years, a new study suggests.

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  8. Astronomy

    Alien life may be possible even at the Milky Way’s edges

    Phosphorus detected far from the Milky Way’s center seems to extend the zone where life could exist in the galaxy by thousands of light-years.

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  9. Psychology

    An apology to Indigenous communities sparks a mental health rethink

    The leading U.S. psychological association pledged to embrace Indigenous approaches to healing, which requires rethinking how to address mental health.

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  10. Paleontology

    520-million-year-old animal fossils might not be animals after all

    Newly described fossils of Protomelission gatehousei suggest that the species, once thought to be the oldest example of bryozoans, is actually a type of colony-forming algae.

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  11. Science & Society

    The Smithsonian’s ‘Lights Out’ inspires visitors to save the fading night sky

    The exhibition examines how light pollution harms astronomy, ecosystems and human cultures. But it also offers hope.

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  12. Health & Medicine

    Bird flu can jump to mammals. Should we worry?

    Reports of bears and sea lions infected with H5N1 have sparked fears about the pandemic potential of bird flu. Experts are keeping a close eye on its spread.

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