Earlier this week, the number of visible sunspots on our home star fell to zero for the first time in 1,335 days. This ...

The sun's visible disk has been perfectly free from sunspots for the first time since June 2022, suggesting the current solar cycle might be heading toward its quieter phase.

The Sun experienced its first spotless days in four years, from February 22-24, 2026, indicating a shift towards a calmer ...

“The definition of the solar maximum is when the sunspot number is at its highest,” Dr Rachel Howe, a solar physicist at the ...

Astronomers observed the sun without a single sunspot for the first time in over three years, hinting at a slowdown in Solar ...

Studying the sun In August 2018, NASA launched the Parker Solar Probe to draw closer to the sun than any satellite before. It's a unique opportunity to study " the star in our backyard," as NASA ...

The Sun’s magnetic poles are in the middle of an uneven, drawn-out reversal as Solar Cycle 25 moves through its solar maximum ...

The sunspot region designated AR 14098 rotated over the Sun’s eastern limb in late January carrying magnetic complexity ...

The Sun appears completely clear of sunspots for the first time since December 2021, which astonishes astronomers. The Solar Astronomy Laboratory of the Space Research Institute of the ...

During strong cycles, the sun’s total brightness at the solar maximum is about 0.1% higher than during its solar minimum, but when averaged out over the industrial period, the sun’s total brightness ...