NASA and SpaceX are gearing up for an exciting double launch, sending the SPHEREx and PUNCH missions into space. SPHEREx will ...

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 closer to the Sun, which means it's more strongly bound by the Sun's ...

Have you ever wondered how astronomers manage to map out the Milky Way when it's so incredibly vast? One of the most powerful ...

The Oort Cloud begins roughly 2,000 – 5,000 astronomical units (AU) from the Sun, with 1 AU being the average distance between Earth and the Sun.

A hidden structure at the farthest reaches of our solar system is challenging long-held theories. Using advanced simulations, ...

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.

New research suggests the Oort cloud, a shell of icy objects at the edge of our solar system, may feature spiral arms similar to the Milky Way, revealing a complex cosmic structure beyond Pluto.

The giant cloud of detritus is thought to be the source of strange comets and meteorites flying past Earth such as the ...

When the scientists ran this model through NASA's Pleiades supercomputer, it revealed the structure of the cloud's interior, ...

To see the parade, find a dark place with a clear view of the western horizon at nightfall. Mercury and Saturn will be low in ...