Mysterious Maunder Minimum: Nearby star offers clues

We may learn more about the sun's Maunder Minimum - a quiet period of low sunspots in the 1600s and 1700s - thanks to the help of a nearby sun-like star.

Solar Cycle 25 starting with a bang!

Solar cycle 25 has already shown itself to be active, with endless sunspots and coronal mass ejections producing solar storms and aurora. Will it stay active?

40 Starlink satellites doomed by geomagnetic storm

SpaceX is reporting 40 Starlink satellites doomed to reentry, after a storm on the sun caused a geomagnetic storm that disturbed Earth's magnetic field.

Total solar eclipse of December 4, 2021

A total solar eclipse occurs December 4, 2021. The total phase sweeps over Antarctica, while the partial phase reaches southernmost points of three continents.

A storm on the sun, and a great week for auroras

Aurora alert in effect for the next few days: the sun sent out a halo coronal mass ejection on November 2, 2021, due to arrive at Earth on November 4.

Solar storm and aurora starting October 30

A solar storm after an eruption on the sun is carrying plasma toward Earth, which should produce northern and southern lights this weekend.

X-flare yesterday, aurora alert this weekend

The biggest solar flares are known as X-flares. Check out this image of an X-flare on the sun on October 28, 2021. It prompted an aurora alert.

Solar superflares hit Earth multiple times

Scientists found evidence for solar superflares thousands of years ago from evidence in tree rings. Could a solar superflare happen again in the future?

Aurora alert! Pair of CMEs to jolt Earth’s magnetic field

Aurora alert! A pair of coronal mass ejections will reach Earth September 1-2, 2021. Though not dangerous to satellites or the grid, they might cause auroras.

Favorite photos of ‘ring of fire’ solar eclipse

Stunning photos of the June 10, 2021 'ring of fire' solar eclipse photos.

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