Antarctic sea ice recently reached an all-time record wintertime low, scientists from the National Snow and Ice Data Center announced.. The mark was set "by a wide margin," the center said in a ...

Summer sea ice in the Arctic Ocean might be a thing of the past by the 2030s, no matter what we do to curb emissions of the greenhouse gases that cause global warming, an international study ...

The sea ice is still growing, and Antarctic sea ice hits its maximum size in mid-September each year. "We only have six more weeks, approximately," Raphael says.

On Feb. 21, at the peak of the region's summer, the Antarctic sea ice reached its annual minimum extent of 1.79 million square kilometers, or 691,000 square miles ...

The sea ice that used to envelop St. Paul has done so only once since 2013, and then only fleetingly. Advertisement. ... That carpet of fur seals now appears as clumps and patches.

Sea ice in Antarctica hit a record low this year and is “on a very steep downward trend,” a sign this complex and isolated region may finally be responding to the climate crisis.

Since the late 1970s, satellites have been spying on Antarctica’s sea ice, watching the whiteness expand and contract with the seasons. But they’ve never seen the ice quite like it is right now.

Each year, Arctic sea ice expands as the sea surface freezes during the long, dark winter. At its maximum in March, the ice covers nearly the entire Arctic Ocean, almost 6 million square miles.

As sea ice disappears and grows less reflective, the Arctic has lost around a quarter of its cooling power since 1980, and the world has lost up to 15%, according to new research.

Sea ice plays many important roles for the global climate: Its white surface can reflect energy back into space, helping the planet cool. It also acts like a blanket for the ocean, ...

Antarctica's annual maximum sea ice extent in September 2023 was the lowest on record, with approximately 1.75 million square kilometers less sea ice than normal—an area equivalent to about 6.5 ...