While our planet only has one easily visible Moon, several other tiny objects arguably deserve the title too

When we imagine planets, we usually picture them circling a fiery star like our Sun. But new evidence has now been found of a type of planetary system that instead forms around cold planets that float

A mosaic image of Enceladus created from data ...

BEST TIME TO SEE: Mid-November to mid-December Saturn underwent a ring plane crossing back in March of this year, an event which sadly occurred too close to the Sun to be seen clearly. However, the op

2 Sunday Mag. +0.4 Saturn is 5.7° from this morning’s 82%-lit waxing gibbous Moon. Catch them together before they set at around 01:00 UT. Tuesday 4 Callisto’s shadow transits Jupiter’s disc from 07:0

Might our universe – as vast as it is – be simply one of many? We look at the growing evidence that there’s more than one cosmos out there