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 team of researchers tracked an unusually intense region on the sun from its birth to its decay, capturing its activity over ...

Massive solar flares, graceful eruptions of solar material, and an enormous sunspot make up some of the imagery captured by NASA's Solar Dynamics Observatory in 2013 and 2014. A year ago this weekend, ...

The sun’s outer atmosphere resembles a pufferfish.

Climate data in a report published by the National Oceanic and Atmospheric Administration’s (NOAA) Climate.gov website found that the sun’s solar activity, including overall brightness and sunspot ...

How can astronomers observe and study the Sun’s activity in the most efficient way despite the Sun and Earth orbiting each ...

2025 was another busy year on the sun. But how did it compare with 2024, and what will 2026 bring for solar activity and the northern lights? When you purchase through links on our site, we may earn ...

From the 1980s thru 2008, scientists observed that nuclear activity inside the Sun was continuously trending downward, and it was expected that this would continue. However, a new study by the ...

New research suggests that the unexpected intensity of the ongoing solar maximum may be partly tied to a lesser-known, 100-year solar cycle. If true, solar activity could spike further in the coming ...

The sun's outer atmosphere has recently been likened to a pufferfish, revealing fascinating new insights into our solar system. This unique comparison stems from the first verified maps of the Alfvén ...