Search Results for: Fish

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8,115 results
  1. Animals

    Beneficial bacteria help these marine worms survive extreme cold

    Three species of marine worms living in Antarctic waters have beneficial relationships with bacteria that produce antifreeze proteins.

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  2. Paleontology

    How did an ancient shark parasite end up fossilized in tree resin?

    A worm preserved in 99-million-year-old amber resembles modern flatworms in shark intestines. The rare finding has scientists stumped.

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  3. Life

    This biophysicist’s work could one day let doctors control immune cells

    The Stanford biophysicist thinks that understanding the mechanics of cell movement could allow scientists to manipulate immune cells.

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  4. Neuroscience

    Ancient viruses helped speedy nerves evolve

    A retrovirus embedded in the DNA of some vertebrates helps turn on production of a protein needed to insulate nerve cells, aiding speedy thoughts.

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  5. 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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  6. Animals

    Stray DNA is all around us. It could revolutionize conservation

    Environmental DNA harvested from the ocean, land and air can help scientists monitor wildlife. The challenge is figuring out how to interpret this eDNA.

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  7. Animals

    Does this drone image show a newborn white shark? Experts aren’t sure

    If a claim of the first-ever sighting of a newborn white shark holds, it could help solve a mystery of where adult white sharks give birth.

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  8. Animals

    Here’s how many shark bites there were in 2023

    The chance of being bitten by a shark is still incredibly slim, according to a new report from the Florida Museum of Natural History.

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  9. Animals

    These are our favorite animal stories of 2023

    Spiders that make prey walk the plank, self-aware fish and a pouty T. rex are among the critters that enchanted the Science News staff.

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  10. Readers ask about Saturn’s icy rings, transparent fish and more

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  11. Neuroscience

    Lampreys have ‘fight or flight’ cells, challenging ideas about nervous system evolution

    The discovery of sympathetic nervous system cells in lampreys draws a closer tie between the animal and complex vertebrates — such as humans.

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  12. Animals

    Glowing octocorals have been around for at least 540 million years

    Genetic and fossil analyses shine a light on how long the invertebrates have had bioluminescence — a trait thought to be volatile.

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