Add Yahoo as a preferred source to see more of our stories on Google. In 1612, Galileo Galilei looked at the sun through a telescope, drew what he saw, and observed that sunspots — dark areas near the ...

Strong magnetic fields keep the equator spinning faster than the poles and prevent a rotation flip, even as stars slow down with age Researchers at Nagoya University in Japan have conducted the most ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. The sun's rotation rate ...

Many objects in space rotate. Earth completes a spin in roughly 24 hours, while Venus takes a whopping 243 Earth days. The moon's rotational period is about 27 days. The sun, it turns out, also ...