NASA's Solar Dynamics Observatory captured sunspot AR3386 blast a long-duration X1.6-class solar flare and X1 flare. See time ...

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

The Sun has just hurled a powerful X-class flare toward Earth, and the resulting geomagnetic storm could push shimmering ...

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.

Radiation levels at airline flight altitudes briefly reached levels that could be potentially harmful to pregnant women.

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 ...

This is your first of three free stories this month. Become a free or sustaining member to read unlimited articles, webinars and ebooks. Up until mid-May, 21-year-old Emmanuel Tolentine of Scotch ...

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 ...