Coronal loops, well-defined hot strands of plasma that arch out into the sun’s atmosphere, are iconic to the sun’s imagery. But many of the supposed coronal loops we see might not be there at all.

Many coronal loops—ropey strands of plasma that scientists have long thought existed in the Sun's atmosphere—may actually be optical illusions, according to a new paper that challenges prevailing ...

An active region of the sun just rotating into the view of NASA's Solar Dynamics Observatory gives a profile view of coronal loops over about a two-day period, from Feb. 8-10, 2014. Coronal loops are ...

Scientists have been trying to solve this mystery for decades. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, the latest ...

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Many people who think of the Sun quickly imagine a ball of fire in space, but the Sun isn’t fire at all. It’s a glowing ball of nuclear fusion, and it has its own physical properties that we’re still ...

StarStuff photo of the week This spectacular image shows towering coronal loops reaching high above the Sun's visible surface. It may look like something created for a sci-fi movie but these coronal ...

However, in fact this image reveal astonishing power and complexity of the raging battles on the solar surface. It shows vast coronal loops of material attempting break free, as well as the magnetic ...