The Hubble Space Telescope has revealed a jet of flaming plasma streaming from a supermassive black hole that seems to be causing nearby stars to explode. The trail is 3,000-light-year-long, and the ...

Temperatures of more than 10,000°C and a hail of charged particles from the fusion fuel (plasma): These are extreme conditions that the exhaust wall (divertor) of future fusion power plants will need ...