One of the best visualizations ever produced of the spectrum of light from our glorious Sun reveals some mysterious holes in its array of colors. Most of the thousands of dark Fraunhofer lines in the ...

Scientists have discovered missing colours in the Sun’s light spectrum. Hundreds of dark absorption lines remain unexplained, hinting towards hidden processes in our nearest star’s mysterious ...

The Sun emits strong, localized bursts of high energy X-rays before the UV brightening of large solar flares and high energy X-rays are constantly emitted from active regions and elsewhere on the Sun.

For more than two centuries, astronomers have treated the Sun’s spectrum as a solved problem, a textbook example of how light ...

At least three separate optical phenomena are visible in the new images. Each of which is created by light refracting through millions of perfectly aligned ice crystals in the upper atmosphere. When ...