The winter growth period for sea ice in the Arctic Ocean is now over, with levels at a record low. The winter ice extent on ...

One of the biggest challenges in predicting Antarctica's deeply uncertain future is understanding exactly what's driving its ...

This summer will see record low Arctic ice and Russia has stolen a march on militarizing the strategic region.

The bright white surface of sea ice plays an important role in slowing warming as it reflects sunlight back into space, in what is known as the albedo effect. Conversely, its melting creates a ...

Sea ice plays many important roles for the global climate: Its white surface can reflect energy back into space, helping the ...

Arctic sea ice extent appears to have reached its annual maximum on March 22, 2025. This is the lowest maximum in the 47-year ...

Sea ice extent is at record, and near record, lows for this time of year in both polar regions, leaving the planet ...

Arctic sea ice hit a historic low this winter, shrinking to the smallest extent ever recorded at its seasonal peak. NASA and ...

The formation of sea ice also makes the surrounding water saltier, as salt is pushed out when water freezes. If less sea ice ...

The meltdown extends beyond the Arctic. Antarctica recently flirted with a record low in its own annual sea ice minimum – ...

The amount of springtime sea ice in the Arctic set a record low this month, continuing a trend of shrinking ice at the top of the world.