"What we're really talking about are two incredible extreme events." Scientists sound the alarm after Antarctic sea ice reaches unnerving record: 'Last year was outrageous, and it's happened again' first appeared on The Cool Down.

For the second winter in a row, the extent of Antarctic sea ice has been exceptionally below average—and it has just set a new record low for this time of year.

An area of missing Antarctic sea ice twice the size of Texas adds to concerns that the ice has seen a lasting “regime shift”, with consequences for ecosystems and global ocean circulation

Continuously hotter summers and less sea ice are remaking the Arctic. Some researchers wonder what opportunities might appear, for plants, animals — and global commerce.

Common seabirds must now contend with melting sea ice as the planet warms – but how exactly does it affect them?

Cold Hard Facts A team of scientists have been closely monitoring the Thwaites — or "Doomsday" — glacier in Antarctica since 2018. Now, they're summarizing the findings of their six year project, The International Thwaites Glacier Collaboration,