A mysterious new world may be hiding in the outer reaches of our solar system. According to arecent study published on arXiv ...

The debate over Pluto’s planetary status has been ongoing since its reclassification as a “dwarf planet” in 2006 by the ...

Astronomers have picked up evidence of an Earth-sized world, distinct from the previously hypothesised Planet Nine and Planet ...

Orbiting in the far reaches of the solar system are pristine remnants from its beginning. These unique objects, called ...