Air Force One Rebecca Blackwell/AP Any Air Force plane carrying a US president is called Air Force One. President John F. Kennedy was the first to use a jet designed specifically for a US president. P...
Adek Berry/Getty Images China's population declined for the fourth year in a row, reaching 1.405 billion. Falling birth rates and an aging population threaten China's economy and the global economy. G...
Interceptor drones, such as this one, often feature a dome-shaped head and four propellers. AP Photo/Evgeniy Maloletka A pair of YouTubers in South Africa has set a record speed of 408 mph with their ...
The Royal Navy called Leonardo's Proteus a new step in British aviation history. Royal Navy A European arms maker flew what the Royal Navy called "the UK's first truly autonomous full-size helicop...
Singapore passport holders have the most flexibility for travel worldwide. inigolai-Photography/Shutterstock The Henley Passport Index ranks the world's most powerful passports for visa-free travel. S...
Pituffik Space Base in Greenland. Ritzau Scanpix/Thomas Traasdahl via REUTERS Pituffik Space Base was established in 1951 as part of a defense treaty between the US and Denmark. Base operations includ...