An Enormous Hole in Antarctica’s Sea Ice Could Help Solve a Climate Riddle

An enormous hole in the the wintertime sea ice surrounding Antarctica is attracting considerable scientific attention. Researchers think the so-called Weddell polynya is part of a natural cycle, but its present size—the biggest it’s been since it was first spotted in the 1970s—could help us understand the processes…

The Frontlines of Climate Change: Why Obama's Trip To Alaska Is a Really Big Deal

President Obama’s headed to Alaska today, but it’s not the typical politicized meet-and-greet. From talking to residents who are forced to flee their homes due to rising sea levels, to learning the political repercussions of melting polar ice, he’s got one of the most science-focused itineraries ever embarked upon by…