For decades, scientists believed the Arctic Ocean was sealed under a massive slab of ice during the coldest ice ages — but new research proves otherwise. Sediment samples from the seafloor, paired ...

A salty surge in the Southern Ocean is melting Antarctic sea ice from below — and causing dramatic changes scientists didn’t ...

The dramatic loss of sea ice around Antarctica has occurred with the re-emergence of the Maud Rise polynya in the Weddell Sea ...

A massive and surprising change is unfolding around Antarctica. Scientists have discovered that the Southern Ocean is getting ...

"In the deep sea, there's always a good chance you're seeing something for the first time." Researchers thrilled after ...

Scientists are questioning whether a ‘regime shift’ to a new state of diminished Antarctic sea-ice coverage is underway, due ...

Antarctic sea ice is more than just a platform for penguins. The sea ice's high reflectivity influences the whole Earth's ...

A sudden salinity spike in the Southern Ocean is accelerating Antarctic ice loss and triggering a dangerous climate feedback ...

The ocean around Antarctica is rapidly getting saltier at the same time as sea ice is retreating at a record pace. Since 2015 ...

Extreme lows in sea ice induce many changes in the physical, ecological, and societal systems of Antarctica and the Southern Ocean. A: an average sea ice summer. B: an extreme low sea ice summer. In B ...

Antarctic sea ice is more than just a platform for penguins. The sea ice's high reflectivity influences the whole Earth's climate, and the ice is a ...

A 1550 square km (963 sq mi.) iceberg, designated A81 broke off Antarctica’s Brunt Ice Shelf. A time-lapse of the 'calving ...