A Thai Buddhist monk performs a religious rite blessing elephants and mahouts to mark the National Elephant Day at the Ayutthaya Elephant Palace and Royal Kraal in the world heritage city of Ayutthaya, Thailand, 13 March 2025. The National Elephant Day has been observed annually on 13 March since 1998 when it was established by the Thai government, in an effort to protect and conserve Thai elephants, who are part of the Asian elephant family classified as an endangered species. (Photo by Rungroj Yongrit/EPA)

Sea lion is seen among people on a beach in San Cristobal island, part of Galapagos archipelago on February 11, 2025. Located in Ecuadorone of South America's most fascinating countriesthe Galapagos National Park spans 13 main islands and numerous islets, captivating biologists, environmental scientists, and tourists with its rich ecology. (Photo by Ozge Elif Kizil/Anadolu via Getty Images)

A golden snub-nosed monkeys (Rhinopitheque de Roxelane) looks through its enclosure after quarantine during its presentation at the Beauval Zoopark in Saint-Aignan Central France, on May 7, 2025. ZooParc de Beauval (Loir-et-Cher) welcomed three golden snub-nosed monkeys on April 3, 2025, an endangered species from China, as part of a conservation program, becoming the first zoo outside Asia to house these long-haired, red-furred primates with bluish faces. (Photo by Guillaume Souvant/AFP Photo)

A juvenile blackcap is recorded in the soft light of morning at Minorca, UK, a former open-cast mine near Moira in the National Forest on June 18, 2025. Dr Heather Gilbert, research and evidence manager, checks mist nets among wildflowers and young trees as part of long-term monitoring that shows bird numbers have increased by 48 per cent over 30 years. (Photo by Rod Kirkpatrick/RKP Photography)

A girl adorned as a Living Goddess smiles as she takes part in a mass Kumari Puja prayer rituals during Indra Jatra festival in Kathmandu, Nepal on Friday, September 5, 2025. Hundreds of young girls under the age of nine gathered around the temple to offer worship for good luck, protection from evil and prevent from diseases. (Photo by Skanda Gautam/ZUMA Press Wire via Alamy Live News)

Participants are covered by colored powder as they compete in The Color Run, a five-kilometre untimed race, in Hanoi, Vietnam September 26, 2015. Approximately 7,000 participants took part in Hanoi's first Color Run, reported local media. (Photo by Reuters/Kham)

Ice covered leafs are pictured on a tree near Amstall in northern Austria, December 2, 2014. Freezing fog and rain covered parts of the region with ice, causing blocked roads due to fallen trees and closed schools for security reasons, local media report. (Photo by Heinz-Peter Bader/Reuters)

The Royal Observatory just announced its Astronomy Photographer Of The Year 2013 winners. Australian photographer Mark Gee was chosen among a thousand amateur and professional photographers around the globe to win the top title. His work is part of an exhibition of the winning photographers, which opened on Sept. 19 at the Royal Observatory Greenwich. The Royal Observatory shared with us the winners and notable mentions of the competition. Their descriptions of the prizewinners can be found below the images.