Activity on the sun is not constant; it varies along a cycle of about 11 years. The peak of this solar cycle — called solar ...

NASA's Solar Dynamics Observatory captured sunspot AR3386 blast a long-duration X1.6-class solar flare and X1 flare. See time-lapses of the flares in multiple wavelengths. Credit Space.com | footage c ...

Sunspot AR3165 has erupted with several m-class solar flares in a span of a few hours. NASA Solar Dynamics Observatory captured the fireworks in several wavelengths. Credit: Space.com | footage courte ...

Radiation levels at airline flight altitudes briefly reached levels that could be potentially harmful to pregnant women. Radiation levels in Earth's atmosphere rose to the highest level in nearly two ...

Kerry Breen is a news editor at CBSNews.com. A graduate of New York University's Arthur L. Carter School of Journalism, she previously worked at NBC News' TODAY Digital. She covers current events, ...

A massive sunspot, over 10 times the size of Earth, has appeared on the sun. It is likely to produce multiple solar flares over the coming weeks, which could lead to bright auroras, the famous ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A spot on the sun 10 times larger than Earth has been seen ...

Aircraft maker Airbus recalled thousands of its A320 family aircraft over the weekend for a software fix, in what has been described as one of the largest directives ever for the company. In an odd ...

LAS CRUCES — The eerie yet beautiful auroras that delivered pink and green nighttime skies across New Mexico and much of the U.S. this month are the result of geomagnetic storms caused by solar ...

Scientists have captured an exceptionally rare, high-resolution view of an active region that produced two powerful X-class solar flares—an achievement rarely possible from Earth. Using the GREGOR ...

People in the U.S. were treated to stunning auroras last week when a powerful geomagnetic storm pushed the celestial displays as far south as Florida and Mexico. The spectacle was particularly ...