As the space industry grows, it’s safe to say incidents of space debris hurtling back to Earth will only become more frequent – and they could pose a risk. But how much of a risk, exactly?
Earth’s highest, coldest, rarest clouds are back. How to see the eerie ‘noctilucent clouds’ this summer.
Look North as the stars appear in June and July to have a chance of seeing rare noctilucent (or ‘night-shining’) clouds with the naked eye.