Ice cubes float in water because they’re less dense than the liquid. But a newfound type of ice has a density nearly equal to what’s in your water glass, researchers report in the Feb. 3 Science. If ...
Beneath hundreds of meters of Antarctic ice, in a place no human has ever visited, warm ocean water is quietly eating away at one of the largest frozen reservoirs on Earth. New high-resolution ...
Mercury may have gotten much of its polar ice within a single Mercurian day following a massive asteroid impact, a new study ...
A new study suggests that water ice on Mercury may have been deposited in one Mercurian day by an impactor larger and slower ...