China: virus death toll rises as more cities shut down

China has widened a lockdown in Hubei province - the centre of the coronavirus outbreak - as the death toll climbed to 26.

Research on the ancient bones of skeletons found in Cameroon has shed new light on our ancestors from 8000 years ago.

A new study, using data from a NASA mission, suggests that chemical reactions on the moon could mean there are enough energy sources to support life.