Oceans

Science News for Students articles on oceans

  1. Oceans

    Shading corals during midday heat can limit bleaching

    Shading coral reefs during the sunniest part of the day may help corals survive marine heat waves.

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  2. Oceans

    Explainer: Why are so many hurricanes strengthening really fast?

    This dangerous trend appears relatively new — and growing. Studies also have begun linking it to our warming world.

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  3. Animals

    Adult corals have been frozen and revived for the first time

    Living corals could be frozen for safekeeping. Scientists could later revive them to restore reef ecosystems that are withering in warming seas.

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  4. Animals

    Toothed whales use their noses to whistle and click

    Much as people do, toothed whales, such as dolphins and sperm whales, make noises in three different vocal registers.

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  5. Climate

    Let’s learn about why summer 2023 was so hot

    Human-caused climate change has played a big role in this summer’s historic heat.

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  6. Oceans

    Summer 2023 is when the ocean first turned ‘hot tub’ hot

    Unfortunately, scientists worry that this atypical sea warming may actually be the beginning of an unwelcome new ‘normal.’

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  7. Oceans

    How would a mermaid sound underwater?

    Human ears don’t work well in the water. A mermaid would need marine creature features to talk to and understand her aquatic friends.

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  8. Animals

    Megalodons may have become megahunters by running hot

    O. megalodon sharks were warm-blooded mega-predators. But when food sources dwindled, colder-blooded sharks may have had an evolutionary edge.

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  9. Animals

    Scientists Say: Coral

    Over 4,000 species of fish make their home among the reefs created by these colony-dwelling marine animals.

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  10. Fossils

    Ancient jellyfish? Upside down this one looks like something else

    A new look at an ancient sea animal called Essexella suggests it may have been a type of burrowing sea anemone, not a floating jelly.

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  11. Fossils

    Ocean life may have bounced back after the ‘Great Dying’

    Marine ecosystems may have been back in action just a million years after the most severe extinction event known.

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  12. Environment

    Sea life may suffer as plastic bits alter metals in water

    This interplay between plastics and metals could affect how each affects the environment — and suggests opportunities for controlling their risks.

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