The sun's corona—the outermost layer of its atmosphere, visible only during a total solar eclipse—has long intrigued ...

Scientists develop new optical system that removes blur over fine-structure in the Sun's corona, revealing clearest images to ...

"The new coronal adaptive optics system closes this decades-old gap and delivers images of coronal features at 63 kilometers resolution—the theoretical limit of the 1.6-meter Goode Solar Telescope," ...