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 ...

For years, scientists have debated whether a giant thick ice shelf once covered the entire Arctic Ocean during the coldest ...

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

Antarctic sea ice extent has fallen dramatically in recent years – the effects include accelerated ocean warming, faster loss ...

Sep. 1, 2023 — New research by an international team of scientists explains what's behind a stalled trend in Arctic Ocean sea ice loss since 2007.

Sea ice is declining at both poles. The amount of Antarctic sea ice is lower now than it has been in four decades at the same time of year. The current total sea ice coverage is about 1.8 million ...

The disappearance of sea ice in polar regions due to global warming not only increases the amount of light entering the ocean, but also changes its color. These changes have far-reaching ...

According to Cai, in the 1980s and 1990s, carbon dioxide levels were lower in the Arctic Ocean and it was understood that ice melt was happening more in the Marginal Sea basin, and it advanced ...

Emperor penguin populations are falling much faster than expected. Ice is melting beneath their chicks before they’re ready.

UD doctoral student Tianyu Zhou is pictured on the right using a shovel to remove snow that covers the sea ice during a research cruise to the Arctic Ocean in the fall of 2024. Within the square that ...