The thickness of McMurdo Sound's fast ice was remarkably stable on a decadal basis, the researchers found, with no obvious trend toward thicker or thinner ice over the 37 years they studied.

High-tech tracking collars on nine female polar bears have measured the animals' efforts to find food on the diminishing Arctic ice. Each bear ... bears' long summer fast, those young seals ...

Guano stains: A new colony on fast ice that has formed around grounded ... decades ahead - as the climate models project - then the animals' numbers will be hit hard. One forecast suggested ...