Giant squid beaks turned up in whale stomachs long before anyone filmed the animal. An oceanologist explains why people are missing from the deep sea.
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A Nature paper priced one Arctic methane scenario at $65 trillion. Igor Semiletov explains why the shallow Siberian shelf is where it could start.
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A meter of sea level rise in a century is a building project for rich coasts and an eviction notice for small poor islands, says oceanologist Alexander Osadchiev.
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When the sea pulls back from the shore, the seabed near the coast has just sunk. An oceanologist explains why the water falls first and the big wave follows.
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A 2022 volcanic blast sent an air wave across the Pacific at tsunami speed. It pushed the ocean as it went, and the seabed felt more pressure than the sky.
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Drilling for oil under the sea, people sequenced the mud and met fungi, bacteria and viruses. One oceanologist says they may outweigh the rest of life on Earth.
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Off the Siberian coast, patches of sea over a kilometre wide bubble with methane, and the biggest are growing. Why the climate's methane count may be too low.
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Two cable sensors sat on the seafloor when the 2003 Tokachi-oki quake hit. Their records showed the ocean shaking like jelly and sending sound into the seabed.
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The biggest wave ever recorded was 524 metres high and began as a landslide in a narrow Alaskan bay. Oceanologist Mikhail Nosov on Lituya Bay.
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In 2021 the Arctic let go of a freshwater lid that could have stopped water sinking in the North Atlantic. An oceanologist explains why we barely noticed.
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