A composite image of the Sun showing the hydrogen (left) and helium (center and right) in the low corona. The helium at depletion near the equatorial regions is evident. (Courtesy NASA) Two U.S. Naval ...

Solar wind is a never-ending stream of charged particles coming from the sun. Rather than a constant breeze, this wind is rather gusty. As solar wind particles travel through space, they interact with ...

Our sun, like many stars, is adorned with a crown. It's called a corona (Latin for "crown" or "wreath") and consists of long, thread-like strands of plasma billowing out from the sun's surface. The ...

On August 12, 2026, lucky viewers in and around Greenland, Iceland and Spain—weather allowing—will be able to see one of ...

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 ...

A composite video from NASA’s Solar Dynamics Observatory and NOAA’s Geostationary Operational Environmental Satellite – R Series Solar Ultraviolet Imager instrument shows small-scale jetlet activity ...

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.