A hidden lake beneath the Greenland Ice Sheet unexpectedly drained more than a decade ago, fracturing the ice surface and forming a large crater — an event only recently uncovered by Earth-observing ...

Water usually flows downward, but something strange happened under Greenland’s ice sheet when a deluge punched through the ...

A subglacial flood in Greenland burst upward through tens of meters of ice, pushing up blocks the size of five-story ...