The gigantic coronal hole is more than 60 times wider than Earth. (Image credit: NASA/SDO/AIA) Coronal holes occur when the magnetic fields that hold the sun in place suddenly open up, causing the ...

Two huge coronal holes have appeared on the sun this month, spewing 1.8 million mph solar winds towards the Earth. Here's what they are, how they form and their impact on our planet.

A coronal hole in the sun could result in visible auroras over about 15 U.S. states tonight (June 25), with the Space Weather ...

A giant hole has opened in the atmosphere of the Sun, and it's blasting out a high-speed wind that is directed right at Earth.

The 497,000-mile-wide coronal hole on the sun, as captured by NASA's Solar Dynamics Observatory. NASA. The northern lights—also known as the aurora borealis—form when particles from the solar ...

The sun remains active, and a geomagnetic storm alert has been issued for June 24-25, as a recurrent, negative polarity ...

Coronal hole and spacecraft latitude effects on solar wind velocity at simulated L1/L5. Left: STEREO-B 195 Å images with segmented coronal holes and meridional slices (15°) for two events in May ...

A massive coronal hole has formed in the sun's atmosphere, unleashing a powerful stream of solar wind toward Earth. Nearby, a ...

The night of June 25 could deliver a cinematic natural spectacle. A stream of solar wind, originating from a coronal hole on ...

SO COOL! We just observed the creation of a coronal hole, which have been populating our Sun like crazy recently! Here how it happened in this #spaceweather deep dive 💡. Coinciding with ...

Coronal holes may superficially appear to be similar to sunspots, as both appear as dark blotches on our star. In many ways, however, they are opposites of each other; ...

According to the SWPC, the Kp index, a measure of geomagnetic activity, is forecast to peak at 5.67. The Kp index ranges from ...