Add Yahoo as a preferred source to see more of our stories on Google. What type of star it is: A yellow dwarf star The sun is the star at the center of our solar system. It's the largest, brightest ...

If the Sun were very different, we wouldn’t be here. A shorter-lived star wouldn't provide the opportunity for humanity to develop, a star that was more erratic would regularly fry us, and stars in ...

I love simple questions that wind up having complicated—or at least not straightforward—answers. Astronomers twist themselves into knots, for example, trying to define what a planet is, even though it ...