Since Galileo first observed them through his telescope in the early 1600s, sunspots have fascinated scientists.

Subaru Telescope has made an exciting discovery: a small body beyond Pluto, with implications for the formation, evolution, and current structure of ...

World's largest solar telescope turns on powerful new camera, revealing breathtaking image of a continent-size sunspot The observatory is set to undertake a 10-year time lapse of the universe.