Geological mapping gets joined up

First light for US 'laser jumbo'
A plane equipped with a powerful laser has moved a step closer to becoming a viable weapon to shoot down missiles.

UN talks action on space strikes
A leading UN expert says countries must move to tackle the threat from asteroid strikes.

Palm oil offers no green solution
A major international study says palm oil plantations reduce plant and animal diversity, and do little to reduce carbon emissions.

New Stone Age artefacts unearthed
An archaeological dig in Russia has unearthed female figurines, carved tools, and a cone-shaped carving of unknown purpose.

70% deforestation cuts for Brazil
Brazil's environment minister has plans to reduce deforestation in the Amazon region by up to 70%, as UN climate talks begin.