When the plasma inside a fusion system starts to misbehave, it needs to be quickly cooled to prevent damage to the device.

Monday’s SpaceX launch was carrying a classified satellite to space, but the secret payload was not the cause of an unusual glowing spiral seen in the skies of Europe.

Fusion has long been the propulsion end-goal for interplanetary travel, and a U.K.-based company thinks on its way to achieving that dream.

One might be inclined to think that rockets would launch straight upward, but they don't, they curve along the way, and ...