We all depend on the oceans. They regulate climate over long timescales and affect weather on land. They also host vast ecosystems, provide nutrition for billions, and support livelihoods and cultures ...

Ocean temperatures set a record high in 2025, according to a new study. The authors found that the heat content of the ocean increased by about 23 zettajoules between 2024 and 2025. That’s roughly the ...

It may sparkle in the sun, but the ocean's surface is a dynamic thermometer for our planet. The sea surface temperature (SST) is measured by satellites and buoys in the ocean, to give the most ...

A record-breaking and astonishingly expansive marine heat wave is underway in the Pacific Ocean, stretching about 5,000 miles from the water around Japan to the West Coast of the United States. The ...

The physical properties of seawater include both 'thermodynamic properties' like density and freezing point, as well as 'transport properties' like the electrical conductivity and viscosity. Density ...