15 February 2020
The US Special Operations Command is developing a portable face-recognition system designed to identify people 1 kilometre away. It could also be used by law enforcement
16 January 2020
Swarms of drones have been seen flying over Colorado, Nebraska and Wyoming in the past few weeks, but no one has claimed responsibility
17 December 2019
On the ground, koalas run in a bounding motion with both hind legs hitting land at once. But in the trees, they move more like primates
12 December 2019
Many countries and groups already use military drones, but Turkey is about to be the first to have a military drone armed with a machine gun
11 December 2019
27 November 2019
Cultural evolution defines us as humans, but its products kill as people weaponise consumer tech and climate change threatens Earth, argue two new books
20 November 2019
31 October 2019
By landing on the roofs of buses, delivery drones could travel four-and-a-half times as far, making them more useful for transporting packages
30 October 2019
Firms are racing to create a real-time database of every object on Earth larger than a car. It would help investors and conservationists, but could it be abused?
25 October 2019
Seven Worlds, One Planet, David Attenborough’s stunning celebration of Earth’s biodiversity, prepares a new generation to save a beautiful world
