After a calm week, the sun erupted again. A powerful M5.1 solar flare burst from an emerging sunspot region, shaking the ...

May and June 2024 saw the highest sunspot numbers on the sun since 2002, but is the peak of the solar cycle here yet? The sun follows an 11-year solar cycle of increasing and decreasing activity.

How accurate are past records of sunspots? In a new study published in The Astrophysical Journal, a team of multinational researchers examined the historical record and found that after the unusual ...

Sunspot AR3088 put on a striking display of solar activity, unleashing multiple M-class flares as it rotated across and out ...

Sunspots are planet-sized regions on the sun's surface that have increased magnetic shields and often appear dark or black on the surface of our star. These spots are often the originating point of ...

Eric Mack has been a CNET contributor since 2011. Eric and his family live 100% energy and water independent on his off-grid compound in the New Mexico desert. Eric uses his passion for writing about ...

On May 29, 2020, a family of sunspots — dark spots that freckle the face of the Sun, representing areas of complex magnetic fields — sported the biggest solar flare since October 2017. Although the ...

The cycle may result in dramatic space weather that could disrupt communications and power grids here on Earth. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

NASA's Solar Dynamic Observatory has unveiled a mesmerizing sight in the depths of space as the Sun, our celestial neighbor, experiences an extraordinary surge in sunspot activity. Surpassing all ...

Two new sunspots have ended a long period of relative quiet on the surface of our blazing host star, heralding the start of a new 11-year cycle of sunspot activity — resulting in sometimes dramatic ...