Do comets look as vibrant when they’re not getting a helping hand from the Sun?
As Comet ISON’s life hangs in the balance, find out how this spacecraft helps us see the solar environment.
Brightening further in the pre-dawn sky, will ISON live up to the “Comet of the Century” title? Here’s our guide on what should happen – and how best to see it – if it survives its close encounter with the Sun.
Is this hunk of ice destined to be one of the ‘Great Comets’?