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

At 4:56 a.m. EST (0956 GMT) on Feb. 17, the moon will begin to turn the sun into an impressive "ring of fire" during an ...

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 observers are in for an electrifying time. The total solar eclipse will grace North America on April 8th, and with our celestial neighbor entering a phase of heightened activity known as a solar ...

According to reports, the Sun's 11-year cycle peaked in 2024–25, unleashing many intense flares. NASA announced in October 2024 that Solar Cycle 25 had peaked. On November 11, 2025, a massive ...

Activity on the sun is not constant; it varies along a cycle of about 11 years. The peak of this solar cycle — called solar maximum — is when sunspots, solar flares and coronal mass ejections (CMEs) ...

The sun’s outer atmosphere resembles a pufferfish.

Auroras aren't over: the sun's decline brings more storms, and a 'last gasp' finale could light up skies in the next 2 years. When you purchase through links on our site, we may earn an affiliate ...

On Jan. 5, 2038, a rare “ring of fire” annular solar eclipse will be seen along a path from Cuba to Egypt, with 97% of the ...