The latest stories from the Science & Environment section of the BBC News web site.
Updated: 18 min ago
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.
Will India's Mars mission reach the orbit?
Sun shines on climate summit as majority of leaders pledge action
Scientific agricultural advances can help "climate-proof" farming systems around the globe, especially in developing nations, a conference will hear.
US economist and UN adviser Jeffrey Sachs has told the BBC he thinks governments are still not working hard enough to take care of climate change.
A rare skeleton of a woolly mammoth is set to be sold at auction in the UK in November with a guide price of £150,000 to £250,000
World leaders are being asked to make bold pledges to address climate change at a one day summit in New York.
The presenter and physicist Brian Cox says he supports the idea that many universes can exist at the same time.
One of the biggest scientific claims of the year has received another set-back, putting the result of a bet between two significant physicists in jeopardy.
A material dubbed the darkest substance on earth is being used creatively by internationally acclaimed artist Sir Anish Kapoor.