Brace yourselves, Earthlings: NASA, the NOAA, and the Solar Cycle Prediction Panel have officially declared that solar maximum is now underway. What does that mean? Our Sun is reaching the peak of its ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. The night sky in Wisconsin glows with the Northern Lights as ...

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Editor's note: This story has been updated with new comments from Harry Augensen, professor emeritus of physics and astronomy at Widener University, and correcting the maximum time the total solar ...

The sun is an incomprehensibly gigantic, constantly roiling nuclear furnace—but some days are even busier than others. Based on data collected by NASA’s Solar Dynamics Observatory, our solar system’s ...