Russian researchers at the Vostok station in Antarctica pose for a picture after reaching subglacial lake Vostok. (AP Photo/Arctic and Antarctic Research Institute Press Service)
Russia reaches lake under Antarctica
After more than two decades of drilling in Antarctica, Russian scientists have reached a gigantic freshwater lake hidden under miles of ice for some 20 million years.
Rhino poachers sentence "stiffest yet"
Oil spreads from Italian cruise ship
55 major EU airports join carbon scheme
