Low-cost telescope reveals sun's tumultuous 'braids'

In some dramatic images, astronomers have for the first time observed magnetic braids of super-hot matter on the surface of the sun, the first clear evidence of energy transfer from its magnetic field to the solar atmosphere or corona.

Solar corona revealed in stunning hi-def images

NASA astronomers have released the highest-resolution images ever taken of the Sun's corona, its million-degree outer atmosphere, at an extreme-ultraviolet wavelength.