Observing an eclipse of the sun is always fascinating, but on March 29, 2025 — when a partial solar eclipse is visible in the Northern Hemisphere — there will be an extra reason to do so. As well as ...

While the Sun’s solar flares strongly correlate with sunspots, observations of more than 14,000 other stars show this is not generally the case.

We know that the sun has entered its peak phase of activity, called solar maximum. But are we still in it, or is solar maximum already behind us? Let's see what the data has to say. We have tracked ...

The sun has had an active few days, firing several powerful solar flares and (plumes of searing-hot solar material out into space. The radiation of these solar flares triggered radio blackouts on the ...

The night sky in Wisconsin glows with the Northern Lights as a geomagnetic storm brings vibrant pink and green colors to a majority of the northern states. (Photo by Ross Harried/NurPhoto via Getty ...

Back in 2019, a consortium of scientists predicted August 2025 as the peak of the solar activity cycle. But where are we now? When you purchase through links on our site, we may earn an affiliate ...

Solar cycles, characterized by fluctuating sunspot activity, occur approximately every 11 years, although their duration varies between 8 and 14 years. The study of solar cycles dates back to the ...

The Sun’s magnetic field is invisible to our eyes, but it quietly shapes everything from the shimmering auroras over the ...

People in the U.S. were treated to stunning auroras last week when a powerful geomagnetic storm pushed the celestial displays as far south as Florida and Mexico. The spectacle was particularly ...

Has the sun already reached solar maximum? New data suggests Solar Cycle 25 may have peaked earlier than expected. Find out what this means. When you purchase through links on our site, we may earn an ...