Oceans
Corals’ hidden genetic diversity corresponds to distinct lifestyles
Observation and DNA analysis expose identical reef corals as distinct species with unique ecologies, suggesting much greater coral biodiversity.
Oceans
More Stories in Oceans
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AnimalsSome bacteria are suffocating sea stars, turning the animals to goo
For years, researchers thought an infectious pathogen was behind sea star wasting disease. Instead, bacteria deplete the starfishes’ oxygen.
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EarthEarth’s oceans are storing record-breaking amounts of heat
2020 was just the latest in a series of record-breaking years for ocean heat.
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ClimateOcean acidification may make some species glow brighter
Ocean organisms use bioluminescence for hunting, defense and more. A new analysis shows that declines in water pH might change who glows and how much.
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HumansAncient humans may have deliberately voyaged to Japan’s Ryukyu Islands
Satellite-tracked buoys suggest that long ago, a remote Japanese archipelago was reached by explorers on purpose, not accidentally.
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EarthWith Theta, 2020 sets the record for most named Atlantic storms
Climate change is expected to fuel fewer — yet more intense — Atlantic storms. With a whopping 29 storms but few strong ones, 2020 may be an outlier.
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OceansEven the deepest, coldest parts of the ocean are getting warmer
Deep-sea temperatures seem to be rising, but it’s too soon to say whether that’s a result of climate change caused by humans, researchers say.
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OceansLarge-scale changes in Earth’s climate may originate in the Pacific
A new study suggests that the melting of Alaska’s glaciers into the North Pacific could have far-ranging effects on ocean circulation and the climate.
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OceansUnderwater earthquakes’ sound waves reveal changes in ocean warming
A new technique uses the echoes of earthquakes in seawater to track the impact of climate change on the oceans.
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ClimateBering Sea winter ice shrank to its lowest level in 5,500 years in 2018
Peat cores that record five millennia of climate shifts in the Arctic region suggest recent ice loss is linked to rising carbon dioxide levels.