This image features a deep field view of the Cassiopeia constellation immersed in the glow of ionized hydrogen gas, where the ...

Researchers discover collisionless shock waves as cosmic engines accelerating subatomic particles in space to extreme speeds.

A bow shock is a shockwave that forms when fast-moving solar wind abruptly slows down and heats up as it encounters Earth’s magnetosphere. It is called a bow shock because it resembles the wave ...