The Oort cloud is thought to be a remnant of the solar system’s formation, a shell of icy debris left over from the chaotic ...

Scientists are intrigued after spotting a highly unusual celestial object lurking at the very edge of our solar system.

A new member of the solar system has been detected, the second-largest of its kind, suggesting there may be more like it ...

Astronomers have discovered a mysterious dwarf planet, 2017 OF201, far beyond Pluto. This discovery challenges existing ...

According to astronomers, the last time this planet came close to the Sun was in 1930. In the same year, Pluto was discovered ...

The Oort Cloud is the name given to a theorized group of potentially trillions of icy objects on the edge of our solar system. But while it has been accepted as a theory for over 70 years ...

Researchers used a supercomputer to model the structure of the Oort cloud based on the trajectories of comets as well as the gravitational forces within and beyond our solar system. They ...

Astronomers have announced the discovery of a new dwarf planet in our solar system, named 2017 OF201. Located far beyond ...

The Oort cloud is a shell of icy objects that forms the very outskirts of our Solar System. Recently, a group of researchers discovered that the inner portion of the Oort cloud likely has spiral ...

The Oort cloud is a gigantic spherical shell of debris surrounding our Solar System, the most distant objects that the Sun can keep in its gravity well. Every star should have one. Based on their ...