S Korea and Russia spar over airspace intrusion

Image copyright Getty Images Image caption South Korea said a Russian A-50 early warning and control plane twice violated its airspace (file photo) Russia has strongly denied ever apologising for violating South Korean airspace, as…

Twelve years to save Earth? Make that 18…

Image copyright clintspencer Do you remember the good old days when we had "12 years to save the planet"? Now it seems, there's a growing consensus that the next 18 months will be critical in…