For Antarctic Penguins, Molting Can Now Be Deadly
Emperor penguins can’t skip their annual wardrobe change, and that may now be killing them. A new…
‘Good news’ for Norway’s polar bears, which are growing fatter despite loss of sea ice
Their icy hunting grounds are rapidly shrinking, but polar bears in Norway’s remote Svalbard archipelago have defied the…
Guest post: How the Greenland ice sheet fared in 2025
Greenland is closing in on three decades of continuous annual ice loss, with 1995-96 being the last year…
This Tiny Robot Was Lost in Arctic Waters for Months. Now It’s Back With Some Unique Data
Pete Harmsen, CC BY-ND Equipped with temperature and salinity sensors, our Argo ocean float was supposed to be…
Scientists Just Found Another Way Antarctica Is Falling Apart
The West Antarctic Ice Sheet covers some 760,000 square miles and is up to 1.2 miles thick. If…
Mapping Uneven Global Sea-Level Rise Threats
When polar ice sheets melt, the effects ripple across the world. The melting ice raises average global sea…