A UK study finds that the most feared predators in the sea have individual personalities, which determine how readily they socialise.
Scientists identify a huge rectangular feature on the Moon that is probably the buried remains of an ancient rift valley system.
As many as 100 people in Texas are being checked for exposure to Ebola after a man was diagnosed in Dallas with the disease, health officials say.
Following the announcement of fresh price cuts, dairy farmers say they will take direct action within the next four days.
The European Space Agency produces a list of four possible locations on Mars where it could send a rover in 2018.
Tens of thousands of Pacific walrus have been photographed moving ashore in northwest Alaska.
Researchers capture the social spread of a new type of tool use in a wild population of chimps for the first time.
The space agencies of India and the US sign an agreement on future co-operation at Mars and at Earth.
Nasa is facing a delay to work on two new commercial spacecraft after a formal protest about the contract award process.
Panama inaugurates a museum designed by world-renowned architect Frank Gehry to celebrate one of the world's richest eco-systems.
The team looking for missing flight MH370 releases detailed images of the seabed for the first time, revealing extinct volcanoes and deep depressions.
The global loss of species is even worse than previously thought, with wildlife populations halving in just 40 years, a report says.
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.
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.
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.
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.
Scientists have designed a new class of antibiotic which seeks and destroys resistance genes in bacteria.
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.
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.
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.
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.