An unmanned submarine mapping West Antarctica’s Dotson Ice Shelf reported strange under-ice structures, then went silent ten miles beneath it.
The vehicle, called Ran, had spent weeks scanning an ice area roughly fifty square miles, revealing…

An unmanned submarine mapping West Antarctica’s Dotson Ice Shelf reported strange under-ice structures, then went silent ten miles beneath it.
The vehicle, called Ran, had spent weeks scanning an ice area roughly fifty square miles, revealing…