Global sea surface temperatures are currently the fourth highest ever recorded for this time of year, raising renewed concerns among climate scientists as a developing El Niño event threatens to push ...

Every calendar year since 2019, ocean temperatures have reached new record highs. 2025 was no exception, according to a new study. The study, published Jan. 9 in the journal Advances in Atmospheric ...

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 ...

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 ...