Europe London astronomer shares tips for viewing comet this weekend in ‘once in a lifetime’ opportunity The comet was last seen by Neanderthals 80,000 years ago My London – WeatherRead More About Author See author's posts Post navigation Previous Will we see Northern Lights tonight? How to check if you’ll be able to spot themNext Met Office shares Northern Lights update and whether London will see them tonight Related Stories Second heatwave exact end date as London braces for another 9 days of high temperatures All Regions Europe Second heatwave exact end date as London braces for another 9 days of high temperatures July 1, 2026 Second London heatwave timeline and how high temperatures will rise All Regions Europe Second London heatwave timeline and how high temperatures will rise June 30, 2026 London’s next heatwave forecast as temperatures set to soar again after record-breaking heat All Regions Europe London’s next heatwave forecast as temperatures set to soar again after record-breaking heat June 29, 2026