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What happens to a satellite when the Sun becomes less of a distant light source and more of an active engineering hazard? That question has become harder to ignore as Solar Cycle 25 pushes through its ...

A 40-year study shows the Sun’s internal structure subtly shifts between quiet cycles, offering clues to future solar ...

Massive solar flares, graceful eruptions of solar material, and an enormous sunspot make up some of the imagery captured by NASA's Solar Dynamics Observatory in 2013 and 2014. A year ago this weekend, ...

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 ...

Scientists have analyzed more than 40 years of astronomical data to uncover evidence that the sun's internal structure subtly ...

The spring equinox and the sun's solar cycle could bring views of the northern lights, also known as the aurora borealis, this March.

A 14-year-old NASA satellite that wasn't supposed to return until 2034 crashed into Earth's atmosphere on Wednesday morning, dragged down eight years early by the most hyperactive solar cycle in ...

Our sun has officially hit its solar maximum, with increased rates of auroras and solar flares expected in the coming months, NASA has announced. The sun goes through 11-year cycles of activity, ...

The Northern Lights may ramp up in intensity for the next 50 years as the sun potentially enters a new long-term phase of heightened activity, suggests a new study by solar scientists. The night sky ...

This split image shows the difference between an active Sun during solar maximum (on the left, captured in April 2014) and a quiet Sun during solar minimum (on the right, captured in December 2019).