Around 60 British troops, including counter-drone specialists, have been deployed to help defend three air bases used by the US Air Force in the UK after a spate of "weird" drone sightings.

Unidentified drones have been spotted flying over three bases used by the United States Air Force in Britain, the two countries have confirmed. The objects were seen between Wednesday and ...

Department of Chemistry, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, P. R. China ...