Early in our Solar System’s history, bits of icy debris were scattered and then gradually coaxed into a spiral alignment in ...

The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in ...

This strange object near the solar system's edge may be a rare example of the 3-body problem in our own cosmic neighborhood.

Interstellar material has been discovered in our solar system, but researchers continue to hunt for where it came from and ...

The Oort cloud is a shell of icy objects that forms the very outskirts of our Solar System. Recently, a group of researchers ...

Astronomers have identified a quartet of small rocky planets orbiting Barnard's star - one of our closest stellar neighbors - ...

Even the little-understood Oort Cloud, at the outer edges of our solar system beyond view, has a partly spiral structure.