The extremely rare Kelvin-Helmholtz cloud formation lurking in the skies over Northumberland in North East England on December 5, 2023. The distinctive formation gets its name from scientists Lord Kelvin and Hermann von Helmholtz who studied the physics behind the rare cloud. (Photo by Ian Davison/South West News Service)

Tourists visit teamLab Planets Tokyo in Tokyo on January 10, 2025. Japan on January 15 will announce tourist figures for the year 2024, widely expected to break the record set in 2019. (Photo by Kazuhiro Nogi/AFP Photo)

Rows of blossoming peach trees line the fields of Aitona, in the province of Lleida, north eastern Spain, on March 22, 2025. Every year in March the thousands of hectares of blossoming peach trees create a sort of nature tourism with hundreds of people visiting the area to take in the colorful blossoms. (Photo by Josep Lago/AFP Photo)

Chimpanzees are fascinated as bubbles are fired from a bubble gun at the Tacugama Chimpanzee Sanctuary in Sierra Leone in the second decade of June 2024. The keepers used non-toxic soap liquid to create the bubble barrage. (Photo by Renato Granieri/Media Drum Images)

Bristol Museum & Art Gallery representatives on Monday, June 23, 2025 hold an empty frame against Avon Gorge in Bristol, which was painted by JMW Turner in The Rising Squall, Hot Wells, from St Vincent's Rock, Bristol (1792). A fundraising campaign has been launched to bring one of the earliest works by Turner back to the city of Bristol where the artist painted it when he was 17 years old. Bristol Museum & Art Gallery is now keen to acquire the work, which is believed to be the only oil painting Turner made of the city. (Photo by Ben Birchall/PA Images via Getty Images)

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.

Actor George Clooney is arrested with his father Nick Clooney (2R) during a demonstration outside the Embassy of Sudan March 16, 2012 in Washington, DC. United to End Genocide, the Enough Campaign and Amnesty International held a rally to call on the United States and world leaders to stop the violence in South Sudan and prevent hundreds of thousands of people from starving. (Photo by Win McNamee/Getty Images)

“Coming back home at 5am sunrise, I was just beginning to digest the grand event I was lucky to witness and cover: the wedding of the grandson of one of the most influential spiritual leaders in Israel’s ultra-Orthodox community...”. – Ronen Zvulun via Reuters. Photo: Ultra-orthodox Jewish wedding in Israel. Tens of thousands of Ultra-Orthodox Jews of the Belz Hasidic dynasty gather at the wedding ceremony of Rabbi Shalom Rokach in Kiryat Belz, in Jerusalem, on May 21, 2013. Around 25,000 ultra-orthodox Jews took part, making it one of the biggest weddings of the past few years. (Photo by Gil Cohen)