The culprit for the strange blue light show is a specialized train that records track condition information using lasers at speeds of up to 125 mph. It is officially known as the New Measurement Train ...

On two separate nights in May, a strange blue laser sliced through the skies over the Oxfordshire, England countryside, leaving skywatchers baffled. Astrophotographer and astronomy communicator Mary ...

"The first time I spotted it, I thought at first it may have been a rare form of blue aurora but then realised it was moving too quickly." When you purchase through links on our site, we may earn an ...