Women who work night shifts are at greater risk of suffering miscarriages than those who work regular office hours, according to research.

North Korea said it will resume disabling its main nuclear complex after the US removed the country from a terrorism blacklist – a breakthrough expected to energise stalled international talks over the communist nation’s atomic programmes.

Qantas Airways Ltd launched its new international budget carrier Australian Airlines today, with an inaugural flight between Cairns to Nagoya in Japan.