Mother Nature Network: Geologists studying satellite imagery of the remote Princess Elizabeth Land in East Antarctica, one of the largest unsurveyed land surfaces on Earth, have discovered evidence of a massive subglacial canyon system buried beneath the ice.
Tipped off by the physical hints, the team of researchers utilized radio-echo sounding to pull back the white curtain and peer through the ice. What they found is an absolute monstrosity of geology, a canyon system believed to be more than 685 miles long and as...