Earth may have a moon today because a nearby neighbor once crashed into us, a new analysis of Apollo samples and terrestrial rocks reveals. When you purchase through links on our site, we may earn an ...

(Reuters) - Scientists for the first time have spotted a moon-forming region around a planet beyond our solar system - a Jupiter-like world surrounded by a disk of gas and dust massive enough that it ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. It would appear that the so-called "great instability" event that wreaked chaos among the planets ...