NASA satellites have captured the emergence of a brand-new island in Alaska's Alsek Lake, created as the Alsek Glacier retreated more than 3 miles in recent decades.
NASA satellite imagery has revealed a new island off Alaska's coast that emerged after long-standing glacial ice melted, isolating a small mountain that was once part of the mainland.
The island sits in Alsek Lake, where the Alsek Glacier has been st... [1904 chars]