Scientists may have discovered a dwarf planet far beyond Neptune — an unearthing that may disprove a longstanding theory ...

1 of 9 This digital collage brings together our solar system and points beyond in one view. Illustration by NASA/JPL Too small to be called planets, asteroids are rocky chunks that also orbit our ...

Whatever the origin story, TOI-6894b is leading the ranks of other known gas giants orbiting small and faint stars that ...

The researches say that the Hycean Habitable Zone (HHZ), when compared to the terrestrial habitable zone, may include smaller ...

For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.

The chance of a planet forming in the outer reaches of the solar system – a hypothetical Planet Nine – could be as high as 40 ...

WASHINGTON (Reuters) -The James Webb Space Telescope has observed two large planets at different stages of infancy - one with ...

Astronomers have announced the discovery of a new dwarf planet in our solar system, named 2017 OF201. Located far beyond Neptune, it orbits the sun every 25,000 years.