NASA astronaut Don Pettit used a camera with low light and long duration settings to capture this Jan. 29, 2025, image of the ...

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

Fast-moving stars in the Milky Way indicate there could be a supermassive black hole in the neighboring Large Magellanic ...

An international research team led by the University of Vienna has discovered that the solar system traversed the Orion ...

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

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.

The giant cloud of detritus is thought to be the source of strange comets and meteorites flying past Earth such as the mysterious cigar-shaped rock known as Oumuamua that was spotted in October 2017.

The mysterious Oort cloud is the source of many of our solar system's comets, but astronomers still have no idea what it ...

A star racing through the Milky Way may have a planet in tow, setting a new speed record for exoplanet systems. Using ...