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 ...

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. Some coronal loops that appear to ...

Add Yahoo as a preferred source to see more of our stories on Google. A deep red hue image with a bright strand of light on the left. Scientists have created mini-coronal loops to simulate ...

Scientists at NASA reveal a new understanding of the mysterious mechanism responsible for heating the outer part of the solar atmosphere, the corona, to million degree temperatures. “It has become ...

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.

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 ...

Some of the most spectacular features on the Sun are its coronal loops — incandescent structures of hot plasma that arc for thousands of miles above magnetically active regions of the Sun, forming ...