The Oort Cloud, an expanse of icy bodies in the far reaches of our solar system, is shown here in a scene from "Encounters in the Milky Way," a show at New York City's Hayden Planetarium that spawned ...

The new planetarium show revealed a backwards S-shaped spiral in what's known as the Oort Cloud far beyond Pluto (American Museum of Natural History via AP) Scientists have solved one of the solar ...

If you’ve ever flown through outer space, at least while watching a documentary or a science fiction film, you’ve seen how artists turn astronomical findings into stunning visuals. But in the process ...

A new peer-reviewed study finds that early planet formations were assembled from fragments of earlier bodies within the Solar System.

An accidental discovery might change how we think about one of the most mysterious structures in our solar system. The Oort Cloud, a large expanse of icy bodies revolving around the sun at a distance ...