The team looking for missing flight MH370 releases detailed images of the seabed for the first time, revealing extinct volcanoes and deep depressions.
The discovery of a branched carbon molecule 27,000 light-years from Earth suggests the building blocks of life may be ubiquitous throughout the galaxy.
The global loss of species is even worse than previously thought, with wildlife populations halving in just 40 years, a report says.
Europe's daring attempt to put a small robot on the surface of Comet 67P will take place on Wednesday 12 November.
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.
US President Barack Obama expands a marine reserve in the Pacific, creating the largest network of oceanic protected areas in the world.
The Amazon rainforest is being fertilised by the remains of ancient fish blown in by great duststorms from Africa.
A Canadian man is charged with wildlife smuggling after guards at the US border found 51 turtles in his trousers, authorities have said
India's space agency releases its first pictures of Mars as its satellite begins work a day after entering orbit around the Red Planet.
Two of the rarest birds of prey in England, which had been satellite tagged, vanish in unexplained circumstances.
Brazilian researchers release thousands of mosquitoes infected with a bacteria that suppresses dengue fever into the environment in Rio de Janeiro.
Scientists have designed a new class of antibiotic which seeks and destroys resistance genes in bacteria.
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.
Russia has sent a woman into space for the first time in 17 years as part of a joint US-Russian mission to the International Space Station (ISS).
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.
Scientists who claimed to have found evidence for a cosmic super-expansion just after the Big Bang underestimated a key confounding factor in their research, according to a new analysis.
Engineers have invented a battery made of three liquefied metals, which they say is efficient and cheap enough to store power on the electric grid.
The human eye has inspired physicists to create a processor that can analyse particle collisions 400 times faster than currently possible.
Research that investigated why bananas are slippery when you step on them wins one of this year's Ig Nobel prizes.
The US space agency picks the companies it hopes can take the country's astronauts back into space - a capability lost when the shuttles retired in 2011.
Most present-day Europeans are a mixture of three ancient populations, according to a major study published in the journal Nature.
Liberia is to become the first nation in Africa to completely stop cutting down its trees in return for development aid.
"Restaurants" of dead meat set up for endangered vultures also attract an undesirable clientele of hyenas and jackals, according to a six-year study.
Scientific agricultural advances can help "climate-proof" farming systems around the globe, especially in developing nations, a conference will hear.
Street protests demanding urgent action on climate change attract hundreds of thousands of marchers across more than 2,000 locations worldwide.
The Rockefeller family, which made its fortune from oil, is to sell its investments in fossil fuels and put money into clean energy.
A major international study finds that killings among chimpanzees result from normal competition, not human interference.
Hedgehogs are more thinly spread in the UK than previously believed, a study using ink pads to record their paw prints reveals.
The Chinese sturgeon, thought to have existed for more than 140 million years, is now on the brink of extinction, say local media.
Construction has begun on a giant observation tower in the heart of the Amazon basin in Brazil to monitor climate change.