A spiral-shaped structure in the Oort Cloud, long thought to be a featureless shell of icy debris, has been revealed by ...

A possible new dwarf planet has been discovered at the edge of our solar system, so far-flung that it takes around 25,000 ...

Astronomers announced the discovery of a new dwarf planet, provisionally named 2017 OF201, located in the remote outskirts of ...

They said: ‘The discovery of 2017 OF201 is significant because it’s found in a region of the Solar System thought to be empty ...

The small world was found during a search for the hypothetical Planet Nine, and astronomers say the next time it will reach ...

A test flight of SpaceX's Starship rocket has failed for the third time in a row.

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

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

Scientists believe such an extreme orbit means the object was pushed and pulled by the gravity of giant planets like Jupiter or Neptune long ago. It might have even been flung out to the distant Oort ...