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

Millions of years ago, our Solar System traveled through a densely populated galactic region and was exposed to increased ...

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

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.

the Milky Way. Now, using a powerful NASA supercomputer called "Pleiades," scientists have discovered yet another spiral structure on the edge of our solar system. The spiral is composed of ...

The entire solar system, ours at least, sits inside a pocket of low density called the Local Hot Bubble (LHB). This cavity in space is 1,000 light-years across, at least, and tips the thermometer at ...

Early in our Solar System’s history, bits of icy debris were scattered and then gradually coaxed into a spiral alignment in ...

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

The solar system drifts inside an immense, low-density cavity known as the Local Hot Bubble (LHB). This region, spanning at ...

Astronomers have discovered strong evidence for the closest supermassive black hole outside of the Milky Way galaxy. This ...

NASA has launched the SPHEREx telescope to uncover the ingredients for life in our galaxy, as well as the PUNCH mission to ...