Deep inside gas giants like Jupiter and Saturn, hydrogen and helium coexist under pressures millions of times greater than ...

Shock experiments are widely used to understand the mechanical and electronic properties of matter under extreme conditions, like planetary impacts by meteorites. However, after the shock occurs, a ...

A crack of lightning, a burst of heat, and suddenly a glowing sphere hangs in the sky like a craft from another world. Scientists now say this is not fantasy or folklore, but hard physics, after a ...