The Maud Rise polynya is located near the Maud Rise ... Meanwhile, 40% of the global ocean’s waters finds their origins in ...

Scientists aren't sure how it got there. This isn't the first time it's appeared. The hole is a type of polynya. Polynyas are regions of open water surrounded by sea ice. But the Weddell Polynya ...

While the polynya itself is temporary, Antarctic cruise passengers traveling through the Weddell Sea region can often observe smaller versions of these remarkable ice openings.