Space
Mars once had a vast sea the size of the Arctic Ocean
Spacecraft orbiting the Red Planet have helped researchers map out an ancient coastline that surrounded a large ocean billions of years ago
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Environment
First treaty to protect the high seas comes into force
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The 13 best popular science books of 2025
Culture
Environment
Climate heating has reached even deepest parts of the Arctic Ocean
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Environment
Rapid melt from Antarctica could help preserve crucial ocean current
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Technology
Robotic underwater glider sets out to circumnavigate the globe
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Earth
Shackleton knew his doomed ship wasn鈥檛 the strongest before sailing
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Environment
Pacific Ocean changes may ‘lock in’ US megadrought for decades
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Environment
Record marine heatwaves may signal a permanent shift in the oceans
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Earth
Underwater volcanic brine pools could be home to extreme life forms
An expedition in the Red Sea found several brine pools that appear to be fed by underwater volcanoes, which may be home to microbes and animals with unique adaptations
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Environment
The bold plan to save a vital ocean current with giant parachutes
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Life
Sea spiders ‘farm’ methane-eating bacteria on their bodies
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Environment
There may be a surprising upside to losing coral reefs as oceans warm
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Environment
Hurricanes aren’t cooling off future storms as much as they once did
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