Currents can carry that deep ocean heat hundreds of miles to surface again at distant shores.
Freshening seawater around Antarctica is disrupting a global ocean conveyor which regulates the climate.
The official forecast calls for a strong El Niño by winter, but other models suggest it might dip in and out. An atmospheric scientist explains.
A short history of predicting an ice-free Arctic – and why you should listen to this one.
Humans rely on the ocean for food, jobs and other resources, but these systems are being stressed to the brink.
From fluffy crabs that wear sea sponge hats to worms that glow in the dark, scientists are constantly finding amazing new life forms in the ocean.
One of the most damaging invasive species in the oceans has breached a major barrier – the Amazon-Orinoco river plume – and is spreading along Brazil’s coast. Scientists are trying to catch up.
Current forecasts suggest a warm tropical Pacific will be interfering what could otherwise be a ferocious Atlantic hurricane season.
El Niño years put Hawaii and the Mexican Riviera on alert for destructive tropical storms and hurricanes.
Offshore wind turbines are getting bigger and bigger – and many of them now float – here’s how we stop them drifting away.
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