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

Learn about the Oort cloud, a vast area beyond the inner solar system that is believed to contain icy objects arranged in a ...

"We found that some comets in the inner Oort cloud form a long-lasting spiral structure." Spirals are a repeating theme in ...

A mysterious cloud of space rock and debris in the outer reaches of our solar system might resemble a miniature galaxy, a new ...

The Milky Way's tidal forces may be shaping the Oort Cloud's inner structure into a spiral shape.

Groundbreaking research reveals the Oort Cloud's shape as a spiral structure, challenging traditional beliefs about its ...

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

New research suggests the Oort Cloud may have a spiral structure like a mini galaxy. Supercomputer models reveal its ...

In a groundbreaking discovery, NASA's Pleiades supercomputer has revealed an unexpected spiral structure within the inner ...

A comet called ATLAS dazzled the southern skies for the last few weeks. Now it's heading out of view for half a million years ...

Most of the long-period comets in the Solar System come from the outer Oort Cloud. The inner region is much more stable. It's ...

Using a NASA supercomputer to run models, researchers led by SwRI astronomer David Nesvorny now believe that the Inner Oort cloud looks like a spiral disk, around 0.24 light-years across, with two ...