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

The conventional view among scientists about how ice forms is that it begins from seeds in which water molecules are packed together in a hexagonal structure and maintains this structure as it grows.

Cubic core: what is the crystal structure of iron at the centre of the Earth? (Courtesy: shutterstock/Johan Swanepoel) A long-standing debate about the structure of solid iron at the centre of the ...

Scientists have used a mix of physical and chemical properties to bend salt into hexagonal crystals for the first time ever. They formed the thin layer of crystalline salt on a substrate (foundation ...