Researchers from HSE University and the Space Research Institute of the Russian Academy of Sciences analyzed seven years of data from the ERG (Arase) satellite and, for the first time, provided a ...

The sun has become increasingly active since 2008, a new NASA study shows. Solar activity is known to fluctuate in cycles of 11 years, but there are longer-term variations that can last decades. Case ...

On December 8, 2025, the Sun unleashed a powerful solar flare, an event that captivated the attention of scientists and space enthusiasts alike. This flare, classified as an X1.1, marks one of the ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A spot on the sun 10 times larger than Earth has been seen ...

Update, Nov. 5, 2025: NOAA has upgraded its forecast to a G3 (strong) geomagnetic storm, meaning up to 21 U.S. states may see aurora overnight on Nov. 6-7, 2025. Two X-class solar flares — the ...

Aug. 20 (UPI) --NASA announced Wednesday that it is deciphering the sun's behavior with help from artificial intelligence. In a press release, the National Aeronautics and Space Administration said ...

In 2025, scientists expect the Sun to hit its solar maximum, the peak of its 11-year activity cycle. During this time, it’ll ...

Nov. 11 (UPI) --Scientists said the sun erupted Tuesday morning, unleashing a strong X5.1-class flare in an intense outburst, causing communications disruptions. It was the year's strongest solar ...

When solar activity reached an all-time low in 2008, astronomers reasonably figured the Sun was entering into a period of historically low activity. They were wrong. New research published September 8 ...

Has the Sun’s activity increased or decreased in the last few years? This is what a recent study published in The Astrophysical Journal Letters hopes to address as a team of scientists investigated ...