Perseids meteor shower 2018: Everything you need to know about tonight's peak

Every year our skies are lit up by returning meteor showers, from Perseids to Lyrids, Orionids to Geminids. If the weather conditions are in our favour and the moon isn't too bright, there's a chance you'll be able to see some spectacular shooting stars in action. Here is our guide to the must-see meteor showers of 2018 – including the spectacular Perseids shower which will peak this weekend – as well as where and how to see them. What exactly is a meteor shower?