Shale gas extraction through "fracking" should not cause earthquakes or contaminate water in the UK but rules will need tightening, experts say.

A femto-camera and the amazing images it takes is shown off at TEDGlobal in Edinburgh.

Researchers in the US demonstrate the recipe for "paintable" batteries, spraying them onto everything from bathroom tiles to a beer mug.

Bone-eating deep sea worms dissolve seabed skeletons with acid, according to scientists.

Bristol will discover later if it has won the title of European Green Capital in 2014.

The largest population of an endangered freshwater pearl mussel in English waters is almost "wiped out" in Cumbria.

The government needs to multiply investment in clean energy four-fold and resist the urge to pursue a shale gas boom, official advisers say.

Pakistani officials say they are doing their best to save one of the most important archaeological sites in south Asia, Mohenjo Daro.