Almost 80% of crop pollination by wild bees is provided by just 2% of the most common species, say scientists.

No new signals have been picked up from the Philae comet lander since a brief radio contact on Sunday, but controllers say this is not surprising.

France's Ecology Minister Segolene Royal urges people to stop eating Nutella because it is made with palm oil and damages the environment.

A global bioenergy assessment concludes that biofuels could provide up to a third of the world's transport fuel needs by the middle of the century.