ice sheet

Dwindling glaciers paint a grim picture of what's to come if the United States -- and the rest of the world -- don't adequately respond to climate change.
“This is not science fiction. It is the reality of climate change," one scientist warned.
The planet’s largest ice sheet is losing more than 240 billion tons of ice every year -- a threefold increase from what it was less than a decade ago.
Two new studies reveal just how dynamic — and potentially vulnerable to climate change — it actually is.
The researchers used the units to record movements of the ice before, during, and after three instances of draining that
Last Friday, NASA began testing Grover -- short for Greenland Rover, or short for Goddard Remotely Operated Vehicle for Exploration