Back in 2019, a consortium of scientists predicted August 2025 as the peak of the solar activity cycle. But where are we now?

Cosmogenic radionuclides, such as 14C and 10Be, are produced in Earth’s atmosphere by interactions with cosmic rays and offer a unique window into past solar variability. Their deposition in natural ...

The sun is growing more active than scientists predicted. About every 11 years, the sun's magnetic fields flip, increasing solar activity. That activity can disrupt radio communications and GPS ...

AP photographer Dmitri Lovetsky had been trying to photograph a plane flying across the disk of the sun for several days.

This year has given stargazers plenty of opportunities to catch the colorful auroras of the northern lights flicker across ...

The cover article in the scientific journal Nature published today — co-authored by Bates Associate Professor of Physics Jeffrey Oishi — upends decades-old beliefs about the sun and solar phenomena ...