The Oort cloud is a shell of icy objects that forms the very outskirts of our Solar System. Recently, a group of researchers ...
"We found that some comets in the inner Oort cloud form a long-lasting spiral structure." Spirals are a repeating theme in ...
Learn about the Oort cloud, a vast area beyond the inner solar system that is believed to contain icy objects arranged in a ...
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 ...
The Milky Way's tidal forces may be shaping the Oort Cloud's inner structure into a spiral shape.
Interstellar material has been discovered in our solar system, but researchers continue to hunt for where it came from and ...
In a groundbreaking discovery, NASA's Pleiades supercomputer has revealed an unexpected spiral structure within the inner ...
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 ...
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 mysterious cloud of space rock and debris in the outer reaches of our solar system might resemble a miniature galaxy, a new ...
The mysterious Oort cloud is the source of many of our solar system's comets, but astronomers still have no idea what it ...