At more than one million degrees, the sun's atmosphere—the corona—is incredibly hot; but not everywhere. Time and again, huge ...

In an achievement that defies conventional wisdom among astronomers, a trio of eclipse chasers has captured what experts confirm is the first documented observation of the solar corona during a ...

Researchers are analyzing the mystery behind the stability of solar prominences in the solar corona and their significance ...

NASA’s Parker Solar Probe has flown through the Sun’s corona again, completing its 27th close approach to the star and once more matching its own distance and speed records. The spacecraft skimmed ...

Prominences are cool plasma structures extending several thousand kilometers in the Sun’s hot corona. Some persist for weeks.

The European Space Agency's Solar Orbiter spacecraft — launched in February 2020 and taking the first-ever images of the sun at close range — has sent back one of the most detailed images of our star.

Something mysterious is going on at the Sun. In defiance of all logic, its atmosphere gets much, much hotter the farther it stretches from the Sun’s blazing surface. Temperatures in the corona — the ...

The sun's crown-like atmosphere can be 200 times hotter than the sun's surface, despite being farther away from the ultimate source of heat at the sun's core. How the corona's heat seemingly defies ...

NASA's latest Picture of the Day presents an unprecedented view of the solar corona, offering a unique glimpse into the dynamic outer atmosphere of the Sun. In a visually stunning composite image, the ...

IMAGE: This image of the solar corona contains a color overlay of the emission from highly ionized iron lines and white light taken of the 2008 eclipse. Red indicates iron line… Click here for more ...