The X-47B prototype on Tuesday flew off an aircraft carrier and into the history books. Today's achievement, the first-ever catapult launch of an unmanned aircraft from the flight deck of a carrier, promises to open up a new chapter in the annals of naval aviation. Photo: An X-47B pilot-less drone combat aircraft is launched for the first time off an aircraft carrier, the USS George H. W. Bush, in the Atlantic Ocean off the coast of Virginia, May 14, 2013. The U.S. Navy made aviation history on Tuesday by catapulting an unmanned jet off an aircraft carrier for the first time, testing a long-range, stealthy, bat-winged plane that represents a jump forward in drone technology. (Photo by Jason Reed/Reuters)

The National Geographic Photo Ark is a travelling exhibition of photographer Joel Sartore’s quest to create a photo archive of biodiversity around the world. So far, Sartore has captured studio portraits of more than 6,000 species – a number that he hopes to double. On 1 July, the ark will open at Melbourne zoo – the first time it has been exhibited in the southern hemisphere. More than 50 portraits will be on display, including many of Australian endangered animals being protected by programs at the zoo itself. These captions have been edited from text supplied by Melbourne zoo. Here: Barking owl. (Photo by Joel Sartore/National Geographic Photo Ark/The Guardian)

Mayu adjusts Koiku’s kimono, as Koiku wears a protective face mask while posing for a photograph, before they work at a party where they will entertain with other geisha at Japanese luxury restaurant Asada in Tokyo, Japan, June 23, 2020. (Photo by Kim Kyung-Hoon/Reuters)

A college girl takes part in the Holi festival celebrations in Bhopal, India, 19 March 2019. Holi is celebrated on the full moon day and marks the beginning of the spring season. Holi will be celebrated as the Hindu spring festival of colors across the country on 21 March. (Photo by Sanjeev Gupta/EPA/EFE)

Members of the “Exit Point” amateur rope-jumping group stage a performance as they jump from a 44-metre high (144-ft) waterpipe bridge in the Siberian Taiga area outside Krasnoyarsk, November 3, 2013. Fans of rope-jumping, a kind of extreme sport involving a jump from a high point using an advanced leverage system combining mountaineering and rope safety equipment, marked the end of the group's jumping season and recent Halloween festivities. (Photo by Ilya Naymushin/Reuters)

English singer and songwriter Dua Lipa performs onstage during the Dua Lipa Future Nostalgia Tour at FTX Arena on February 09, 2022 in Miami, Florida. (Photo by Jason Koerner/Getty Images)

p*rn star Linda Lovelace, who starred in “Deep Throat”, arrives at the Academy Award in Los Angeles, Ca, April 3, 1974. (Photo by AP Photo)

Thailand's Lac Somruedee Pruepruk balances the ball during the sepak takraw women's match against Malaysia at the 31st Southeast Asian Games (SEA Games) in Hanoi on May 17, 2022. (Photo by Ye Aung Thu/AFP Photo)