A solar cycle is a roughly 11-year periodic change in the Sun characterized by variations in the number and intensity of sunspots, as well as a flipping of its magnetic poles.

High above the quiet winter skies, the Sun has fired off a blast of energy now racing toward the Earth. According to NOAA’s ...

The European Space Agency's Swarm mission detected a large but temporary spike of high-energy protons at Earth's poles during ...

The European Space Agency’s Swarm mission detected an unexpected spike in high-energy protons over Earth’s poles during a ...

NEW YORK (AP) — Space weather forecasters issued an alert on Tuesday for incoming severe solar storms that could produce colorful northern lights and temporarily disrupt communications. In the past ...

Though it generated beautiful auroras around the world, the Gannon solar storm in 2024 was also a little dangerous. When you purchase through links on our site, we may earn an affiliate commission.

A powerful geomagnetic storm is causing the northern lights to be visible across the United States. While creating beautiful auroras, intense solar storms can also threaten power grids and ...

Dazzling images of the northern lights are lighting up social media after a powerful solar storm struck Earth, sending waves of color across the night sky in places rarely touched by auroras. The ...

WAUSAU, Wis. (WSAW) - Solar storms may bring colorful night skies, or auroras, to Wisconsin and other states in the Upper Midwest Thursday night. A large burst of energy called a coronal mass ejection ...

Space weather forecasters issued an alert on Tuesday for incoming severe solar storms that could produce colorful northern lights and temporarily disrupt communications. In the past few days, the sun ...