Blood Falls in Antarctica flows unpredictably with iron-rich, salty water. Microbes inside survive without sunlight.
Two ice skaters were stranded and self-rescued from a glacier chunk that fell onto the ice in Portage Lake, Alaska, on Monday ...
An eyewitness, who was skating on the frozen glacial lake about a 56-mile drive southeast from Anchorage, said she heard ...
A glacier then moved over the lake and contained it there for thousands of years, before it spurted from underneath the ice at Blood Falls. Pettit said: "While it sounds counterintuitive ...