Double quasar shines brightly

The pair are close to merging into a single giant black hole

Dark skies champion Bob Mizon passes away

Mizon helped Cranbourne Chase AONB achieve Dark Sky status in 2017

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Cutting edge: Super-Earths wreak havoc

Simulations show the common planet type would cause chaos in our Solar System

Cutting edge: Sneezes and wheezes of the Butterfly

New imagery shows the nebula puffing ‘like a fire-breathing dragon’

Inside The Sky at Night

The Sky at Night TV show, past, present and future

Interactive

Emails – Letters – Tweets – Facebook – Instagram – Kit questions

What’s on

We pick the best live and virtual astronomy events and resources this month

HURTIGRUTEN

hurtigruten.co.uk

Field of view: Fighting for the dark side

Battles over a neighbour’s floodlight led Stephen Kirkman to propose a new law