The Marshall Islands creates the world's biggest shark sanctuary, covering nearly two million sq km of ocean, with a ban on commercial shark fishing.

Cities could soon be looking after their citizens all by themselves as researchers develop an operating system for the urban world.

The Alma radio telescope, one of the 21st Century's grand scientific undertakings, begins its quest to study the earliest stars.

The tiny Pacific island nation of Tuvalu declares an emergency due to a lack of water in the capital, Funafuti, and a number of outer islands.

Three scientists who "revolutionised" understanding of how the body fights infection have shared this year's Nobel prize for medicine.

Researchers say they have discovered why men may be more likely than women to develop type 2 diabetes - it is because they are biologically more susceptible.

A Canadian scientist who won a Nobel Prize for medicine this morning, died of cancer last week, it has emerged, creating uncertainty over the award.

The UK government pledges £50m to develop spin-off technologies from the super-strong material graphene.