Sumo Waggle Adventure – Lomaas River, Skanland, Norway – by Arild Heitmann
Shimmering phenomena in the night sky – and starry sights billions of light years away – take a look at some of the finalists in the 2015 Insight Astronomy Photographer of the Year competition.
Sunderland Noctilucent Cloud Display – north-east England – by Matt Robinson (Skyscapes, Runner Up)
April Aurora – Hitra, Sor-Trondelag, Norway – by Kolbein Svensson (Aurorae, Runner Up)
M33 Core – by Michael van Doorn (Galaxies, Winner)
Interaction – Hemnesberget, Nordland, Norway – by Tommy Eliassen (People and Space, Highly Commended)
Sunset Peak Star Trail – Lantau Island, Hong Kong – by Chap Him Wong (People and Space, Winner)
Orion DT – by David Tolliday (Sir Patrick Moore Prize for Best Newcomer)
Source: Science & Environment by , BBC News.