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 is now at the most active point in its roughly 11‑year solar cycle, and scientists say the current peak has arrived earlier and more forcefully than first expected. As activity climbs, ...

Experts warn that the sun's next "solar maximum" could be more powerful and arrive sooner than expected.

The next total solar eclipse is expected on Aug. 12, 2026, but it will only appear in North America as a partial solar eclipse, NASA stated on its website. Greenland, Iceland, Spain, Russia, and a ...

Annular solar eclipse on February 17, 2026: exact times of partial phases and peak ring of fire, visibility areas, path of annularity, and upcoming eclipse dates.

Because the Moon appears slightly smaller in the sky at that moment, it does not block all of the Sun’s light. Instead, a ...