The missing middle. These plots show that the sun shot light called high-energy gamma rays from its middle during a period of low solar activity (from about August 2008 to the end of 2009, left ...

It's easy to think of the sun as simply a bright, orange ball. But thanks to high energy X-rays dancing on its surface, NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) was able to snap an ...

The sun is emitting less iron, as seen in X-rays, than the models predict. Astronomers now say they're a step closer to figuring out why.

The Fermi Gamma-ray Space Telescope There’s something wrong with the sunshine. A nine-year survey of the sun’s gamma rays has turned up two surprises: an unexpected dip in low-energy gamma ...

Sun’s most powerful blast of energy rays just detected - but its origin remains a mystery ‘We thought we had this star figured out, but that’s not the case’ ...

The gamma-ray emissions from the poles were particularly concentrated in June 2014, when the magnetic poles of the sun reversed, a phenomenon that happens every 11.5 years or so at the peak of ...

Ultraviolet rays from the sun can age your skin, or worse, if you are not careful. Credit...Justin J Wee for The New York Times Supported by By Melinda Wenner Moyer Q: Is getting a tan just as bad ...