The Sun is an incandescent but benevolent dictator. For billions of years, it's kept our Solar System well organized and ...

New observations show that newly formed planets close to a star help shepherd dust and gas to create more planets farther out ...

Earth has experienced 18 galactic years in its lifetime. So, to sum up: we’re orbiting a star within a rotating Solar System, within a galaxy that is rotating in an expanding universe.

but even so, the pieces would be longer than most things in the Solar System, and our analysis shows that it is rotating fast enough that they should not stay together. "One of our team wondered ...