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Exoplanet and ploonets

Exomoons that run away from their planets could become 'ploonets'

4 July 2019

We haven’t found any moons around exoplanets, which may be because they are flung away and turn into “ploonets” - a fate that could one day befall our own moon
Distant dwarf planet called 'The Goblin' could point to Planet X

Distant dwarf planet called 'The Goblin' could point to Planet X

2 October 2018

There is a 300-kilometre-wide ice world in the far reaches of the Solar System - and its orbit is consistent with the presence of the hypothetical Planet X

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