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

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

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 ...

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

One million alien visitors from another star system could already be lurking in the solar system. We aren't talking about ...

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

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

The NASA boffins in white coats and thick-rimmed glasses have detected new signals that show the Oort cloud - the spooky ...

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 ...

The inner Oort cloud, between 1,000 and 10,000 AU from the sun, displays a spiral formation with arms that extend 15,000 AU.

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 ...

At the edge of our solar system, a host of large, icy bodies make up the Oort cloud, which appears to sport two spiral arms reminiscent of a disk-shaped galaxy. New research founded upon a simulation ...