A sunspot 10 times larger than Earth has appeared on the surface of the sun just as an X1.9-rated solar flare occurred.

A powerful X1.9 solar flare from new sunspot AR4299 triggered strong radio blackouts, as giant sunspot AR4294 rotates into ...

A sunspot, potentially generating multiple solar flares, may lead to auroras that could be visible as far south as Alabama.

Solar flares and other activity can disrupt radio communications, power grids and navigation signals, according to NASA.

The flare peaked at 9:49 p.m. ET on November 30 and triggered an R3-level radio blackout on the sunlit side of Earth.

The Sun fired a staggering X1.9-class solar flare at the turn of the month, triggering a sudden, widespread radio blackout ...

The sunspot, initially classified as large, came fully into view on November 30, confirming its truly vast size.

Many schools across the U.S. are rethinking their class schedules for April 8, 2024 — the day a solar eclipse will hit North America. The eclipse’s line of totality — the areas where the sun will ...

Solar Energy International, an industry leader in solar energy education and training, in partnership with Opportunity Next Colorado, is offering scholarships to 2024 high school graduates (and ...

Attention astronomers, nature lovers and new experience seekers, it’s almost time to grab a telescope, a blanket, binoculars, eclipse glasses and some good company and drive out of the city to catch a ...

A Unimacts worker making steel torque tubes for Nextracker's solar trackers.