Earth
Snowball Earth melting led to freshwater ocean 2 kilometres deep
A freshwater layer up to 2 kilometres deep floated on our planet鈥檚 oceans for some 50,000 years after the end of an extreme ice age
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Environment
Captive breeding is a final roll of the dice for the vaquita
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Environment
My vertical underwater farming can restore the seas
Features
Earth
Seabed images show the scars icebergs carve into polar sea floor
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Earth
UK does more to protect marine areas overseas than at home
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Environment
Weird, hairy microbes discovered on volcano soon after eruption
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Earth
Marine life is rubbish… at least in these pictures
Regulars
Environment
First living example of giant ancient mollusc found in the wild
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Environment
Sea urchin emits a cloud of venomous jaws to deter predators
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Earth
Life could exist up to 10 kilometres beneath the sea floor
Samples from聽a mud volcano contain biological signatures that suggest microbes lived in the material when it was rock several kilometres beneath the ocean floor
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Earth
Mass bleaching hits Great Barrier Reef for second year in a row
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Environment
Squishy robotic manta ray flaps its wings to spy in the ocean
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Earth
Metabolism may be older than life itself and start spontaneously
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Environment
Never-before-seen gatherings of hundreds of humpback whales
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