A robot from AgiBot is seen during the Global Developer Conference, organized by the Shanghai AI Industry Association, in Shanghai on February 21, 2025. (Hector Retamal via Getty Images)
From a balcony in the Ministry of Health Building in London, Prime Minister Winston Churchill addresses a huge crowd on May 8. 1945 (Victory in Europe Day). (Getty Images)
The Air Force Research Laboratory’s XQ-67A Off Board Sensing Station, or OBSS, takes its maiden flight on February 28, 2024, from Gray Butte Field Airport in Palmdale, California. (DVIDS)
Wild peach and apricot flowers are in full bloom in Yanqing District, encircling the Longquanyu Great Wall on March 25, 2025, in Beijing. (Hao Jihong via Getty Images)
A gas well drill is seen at Campo Maripe, a field claimed by the Mapuche indigenous community, in Anelo, Argentina, on November 27, 2019. (Getty Images)
Russian President Vladimir Putin and Chinese President Xi Jinping attend a festive reception for foreign leaders attending celebrations of Victory Day on May 9, 2025. (Getty Images)
A health worker next to oxygen cylinders taking information from a COVID-19 coronavirus positive person, inside the ambulance, at MMC hospital in Guwahati, Assam, India on 25 May 2021. (David Talukdar/NurPhoto via Getty Images)
New Zealand Prime Minister John Key (6R) and Ministerial Representatives from 12 countries pose for a photo after signing the Trans-Pacific Partnership agreement in Auckland on February 4, 2016 (MICHAEL BRADLEY/AFP via Getty Images)
Researchers at the UW Medicine Retrovirology Research Lab at Harborview Medical Center work on samples from the Novavax phase 3 Covid-19 clinical vaccine trial on February 12, 2021 in Seattle, Washington