The latest stories from the Science & Environment section of the BBC News web site.
Updated: 18 min 44 sec ago
Nasa's Curiosity rover on Mars drills its first full hole since May - into a mudstone at the base of Mount Sharp in Gale Crater.
Farmers warn oil seed rape crops are being destroyed because of a ban on a pesticide brought in to protect bees.
A search is underway for two hen harriers which have gone missing, prompting the RSPB to offer a £1,000 reward for help in their safe recovery
The Amazon rainforest is being fertilised by the remains of ancient fish blown in by great duststorms from Africa.
Dubai has constructed the first environment friendly mosque in a region which is among the worst polluters in the world
India's space agency releases its first pictures of Mars as its satellite begins work a day after entering orbit around the Red Planet.
New recommendations on dealing with the residues of pesticides in food are expected to be made by the UN's food and health agencies.
Brazilian researchers release thousands of mosquitoes infected with a bacterium that suppresses Dengue fever into the environment in Rio de Janeiro.
Are weather forecasts really becoming more accurate?
Brazilian researchers release thousands of mosquitoes infected with a bacteria that suppresses dengue fever into the environment in Rio de Janeiro.
A cloud-free atmosphere reveals signs of water vapour on HAT-P-11b, the smallest planet beyond our Solar System ever to yield such an insight.
Two of the rarest birds of prey in England, which had been satellite tagged, vanish in unexplained circumstances.
India becomes the fourth nation to put a satellite into orbit around Mars, as Mangalyaan arrives to study the Red Planet's atmosphere.
How did India get to Mars so cheaply?
Scientists have designed a new class of antibiotic which seeks and destroys resistance genes in bacteria.
Ebola pushes West Africa's weak health systems over the edge
"Restaurants" of dead meat set up for endangered vultures also attract an undesirable clientele of hyenas and jackals, according to a six-year study.
A UK technique for projecting the extent of summer sea ice in the Arctic demonstrates its skill by accurately calling this year's melt events.
Information from "citizen scientists" is becoming more and more vital for some research projects, scientists say.
China and the US agree they must lead the rest of the world in curbing emissions to combat climate change, as a major UN summit closes in New York.