A mysterious bar-shaped cloud of iron has been discovered inside the iconic Ring Nebula by a European team led by astronomers ...

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

Scientists discover water that's solid and liquid. Superionic ice found in lab could explain Uranus and Neptune's bizarre ...

A colossal bar of iron hidden inside the Ring Nebula may be the ghostly remains of a planet destroyed by a dying star.