Chances are that all your encounters with frozen water—while trudging through slushy winter streets, perhaps, or treating yourself to cool summer lemonades—have been confined to one structural form of ...

Water doesn’t behave the same way in a glass as it does as ice in your freezer. When water is heated to several thousand ...

At extreme pressures and temperatures, water becomes superionic — a solid that behaves partly like a liquid and conducts ...

Capturing reversible changes in the structure of supercooled water. Credit: Timothy Holland, PNNL Supercooled water – that is, water that remains liquid far below its normal freezing point – does not ...