A new genetic analysis confirms where modern lions came from, scientists say.

A humanoid fire-fighting robot is to be tested by the US Navy as the latest move towards a more robotic military.

The deadly Ebola outbreak in Guinea is limited geographically, says the World Health Organization - contradicting an assessment by a medical charity.

Health warnings have been issued by the government as pollution spreading across England is forecast to hit high levels.

Air pollution has reached "high levels" in parts of rural south-east England as well as town and cities in East Anglia, Defra confirms.

Members of a group are more likely to lie after they inhale the "love hormone" oxytocin, a study finds.