German astronomer Johannes Kepler made sketches of sunspots in 1607 from his observations of the sun’s surface — and centuries later, the pioneering drawings are helping scientists solve a solar ...

Scientists have discovered a distant solar system very much like our own, in which the orbits of all known planets lie in nearly the same plane and are aligned with the star's rotation. In recent ...

"Half-forgotten" sunspot drawings by Renaissance astronomer Johannes Kepler are showing us more about how the sun's cycle of activities work. "The group's findings … offer a key to resolving the ...

Kepler's sun drawings are the oldest sunspot records with known dates. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, the ...