One way to track the solar cycle is by counting the number of sunspots, which are dark, cooler patches on the Sun’s surface.

A powerful solar eruption is expected to hit Earth soon, according to a forecast from the National Oceanic and Atmospheric Administration's Space Weather Prediction Center. A coronal mass ejection -- ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. These processes follow the solar cycle, an 11-year cycle of increasing and decreasing activity on ...

Solar wind speeds remain elevated as an incoming coronal mass ejection approaches Earth, with forecasts indicating increased ...

NEW ORLEANS (WVUE) - An uptick in strong solar activity could create a severe solar storm, bringing the Northern Lights as far south as Alabama and northern California. The sun produced an X5.1 flare ...

Has the Sun’s activity increased or decreased in the last few years? This is what a recent study published in The Astrophysical Journal Letters hopes to address as a team of scientists investigated ...

'Dilbert' creator Scott Adams dies at 68 after prostate cancer battle Actor Kiefer Sutherland arrested for allegedly ...

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 ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. The aurora borealis glows in shades of green, pink, and ...

Solar activity, manifested primarily through sunspots, solar flares and coronal mass ejections, has long influenced both the near-space environment and terrestrial systems. Over millennia, variations ...