Runner-up; Hon Yen marine ecosystem. Phu Yen, Vietnam. Every year between May and August, the coral of this rich and diverse ecosystem becomes exposed at low tide. (Photo by Truong Hoai Vu/Royal Society of Biology Photography Competition)

A surfer is seen during sunset at Pacifica State Beach in Pacifica, California, USA on August 6, 2023. (Photo by Tayfun Coskun/Anadolu Agency via Getty Images)

A cat is presented during “The "3rd International Pursaklar Cat Beauty Fest”, on October 14, 2018 in Ankara. (Photo by Adem Altan/AFP Photo)

People walk under Australia's iconic landmark Harbour Bridge in Sydney on April 3, 2019, as heavy fog blankets the city. Low visibility due to heavy fog affected traffic in the city and caused flight delays at the Sydney airport. (Photo by Saeed Khan/AFP Photo)

An orange oakleaf rests on a plant at the Taipei Zoo on November 26, 2020. (Photo by Sam Yeh/AFP Photo)

Bonita the border collie sticks out in the bluebells at Kingley Vale, Chichester in West Sussex, England in the last decade of April 2024. (Photo by Trevor Adams/Matrix Pictures)

Magdalena Vasquez, also known as “Bgirl Mags” (R) and Chris Cielo, also known as “Bboy Cielo” (L) perform during a media call for the Red Bull BC One breakdancing competition at the Brisbane Powerhouse in Brisbane, Australia, 01 July 2025. The world's biggest one-on-one breakdancing competition, the Red Bull BC One have announced Brisbane as the host city for the 2025 Red Bull BC One Cypher Australia. (Photo by Darren England/EPA)

ESA astronaut Tim Peake posted this stunning image on his social media channels, commenting: “Station passed through magnificent aurora Australis last night”. Tim is set to return to Earth on 18 June 2016, bringing his six-month Principia mission to the ISS to an end. During his stay he performed more than 30 scientific experiments for ESA and taking part in numerous others from ESA's international partners. ESA and the UK Space Agency have partnered to develop many exciting educational activities around the Principia mission, aimed at sparking the interest of young children in science and space. (Photo by Tim Peake/ESA/NASA)