Small, high-speed odour sensors are a step towards robots with a sense of smell.

Residents of drone delivery trial sites say the initial novelty has worn off and concerns about long-term impacts are growing

Rock art directly represents how our ancestors saw the world. A new approach involving the history of the landscape brings fresh meaning to Arnhem Land rock art.

Aerial drones are already transforming warfare. Underwater drones are next.

The age of autonomous weapons is upon us