NASA, Oort cloud and solar system

A shell of icy objects at the edge of the solar system known as the Oort cloud has a pair of spiral arms that resemble a ...
The Milky Way's tidal forces may be shaping the Oort Cloud's inner structure into a spiral shape.
A mysterious cloud of space rock and debris in the outer reaches of our solar system might resemble a miniature galaxy, a new ...
Researchers claim that there could be at least 1 million interstellar objects hiding in the Oort Cloud at the edge of our ...