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

The Sun's periods of rowdy activity may get all the glory, but even in its quieter times, our home star can subtly reshape its interior. According to a new analysis of decades' worth of data, the ...

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The combination of the Spring equinox and the Sun's solar cycle starting towards its minimum means now is the last best time to see aurorae for years.

Scientists have analyzed more than 40 years of astronomical data to uncover evidence that the sun's internal structure subtly changes from one solar cycle minimum to the next. Publishing their ...

During strong cycles, the sun’s total brightness at the solar maximum is about 0.1% higher than during its solar minimum, but when averaged out over the industrial period, the sun’s total brightness ...

The Sun in ultraviolet, as seen by the NASA Solar Dynamics Observatory, during two periods: one the recent solar minimum in around 2019, and the solar maximum that preceded it, when the Sun was much ...