The mysterious cloud of space rocks and debris at the edge of the solar system may have spiral arms, making it resemble a mini galaxy, a new study says. The Oort cloud is a theoretical debris shell at ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. An artist's illustration of the Voyager 1 probe travelling into the Oort Cloud. | Credit: Science ...

New research may shine a light on part of outer space's great mysteries: the Oort Cloud. The Oort Cloud is the name given to a theorized group of potentially trillions of icy objects on the edge of ...

Add Yahoo as a preferred source to see more of our stories on Google. 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 ...

The Oort cloud is traditionally thought of as a vast shell of perhaps trillions of icy objects encasing our solar system, serving as the final boundary between us and the dark reaches of interstellar ...

The planets orbit in a flat plane but our solar system is more than just a disc. This video reveals the 3D bubble we travel through, exploring the Oort Cloud, a spherical shell of icy bodies, and the ...

Our solar system may not be as isolated as we once thought. According to a new study, more than 1 million interstellar objects could be lurking in the outer reaches of our cosmic neighborhood, quietly ...

A hidden structure at the farthest reaches of our solar system is challenging long-held theories. Using advanced simulations, a NASA supercomputer has revealed that the Oort Cloud, a vast shell of icy ...

The Oort cloud is a shell of icy objects that forms the very outskirts of our Solar System. Recently, a group of researchers discovered that the inner portion of the Oort cloud likely has spiral arms ...

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 ...