They were mapping what Antarctica would look like without its ice, and stumbled onto a giant structure

At Earth’s far southern edge, the land lies buried beneath ice that can be thousands of meters thick. Whatever sits below has ...

A robot submarine mapped strange structures under Antarctic ice, then vanished without a trace

Hundreds of meters below a floating Antarctic ice shelf, a bright orange robot was traveling through a place ships, ...
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Sea level doesn’t rise at the same rate everywhere – we mapped where Antarctica’s ice melt would have the biggest impact

Add Yahoo as a preferred source to see more of our stories on Google. Sea-level rise changes coastlines, putting homes at risk, as Summer Haven, Fla., has seen. Aerial Views/E+/Getty Images When polar ...