MADISON - The sun's solar wind affects nearly everything in the solar system. It can disrupt the function of Earth's satellites and creates the lights of the auroras. A new study by University of ...

Schematic of fast ions (black spirals) interacting with plasma waves (color) in a fusion experiment. Credit: Steve Allen (Lawrence Livermore National Laboratory) and adapted by Mike Van Zeeland ...

The "corpse" of a sunspot exploded Monday (April 11), triggering a mass ejection of solar material that is headed in Earth's direction. Sunspots are dark regions on the surface of the sun. They are ...

British defence authorities have come up with an explanation for UFOs that is bound to disappoint those who are convinced they've seen a flying saucer. A Ministry of Defence report, which will be made ...

Ball lightning – the mysterious slow-moving spheres of light occasionally seen during thunderstorms – has been created in the lab. Researchers at the Max Planck Institute for Plasma Physics and the ...