The US space agency releases an extraordinary new movie of Earth and the Moon moving through space together.
The supervolcano in Yellowstone National Park in the United States is far larger than was previously thought, scientists report.
Chancellor is told that low-carbon economy will save people money in the long run
Allowing farmers to use renewable energy technology on their land will help the nation meet its future food and energy needs, experts suggest.
Prof Peter Higgs has received his Nobel prize for physics at a ceremony in Stockholm.
The first private spacecraft to land on Mars will carry experiments designed by students and school pupils, the firm behind the project says.
The coldest place on Earth is measured by satellite to be a bitter minus 93.2 Celsius (-135.8F) in the heart of Antarctica.
Nasa's Curiosity rover is modifying its exploration strategy to try to find evidence of the carbon chemistry that might inform the question of ancient life on Mars.
Europe's rarest species of orchid has been rediscovered on an island in the Azores, claim scientists.
Changes are needed to improve the treatment of laboratory animals at one of the UK's leading animal research centres, a panel of experts concludes.
Israel, Jordan and the Palestinian Authority sign a water co-operation pact aimed at one day replenishing the rapidly drying Dead Sea.
The mystery of one of the strangest landscape features on the planet - Mima mounds - is solved, scientists say.
A Scottish botanist goes missing while on a plant-hunting trip to a mountainous region of Vietnam.
Scientists say they are in for an anxious wait as they prepare to wake the comet-chasing Rosetta probe from deep-space hibernation.
A security researcher says he has found a way to hijack a popular brand of drones by launching a Raspberry Pi-equipped aircraft of his own.
Personal-genetics company 23andMe says it is "not going anywhere", after the Food and Drug Administration ordered it to stop marketing-spit testing kits.
Half of the mixed state-funded schools in England reinforce gender imbalances in terms of the subjects students study at A-level, research shows.
Up to 100,000 people in Saudi Arabia are to have their genetic codes mapped by 2017.
The London-based Inmarsat company launches the first spacecraft in a new £1bn global telecommunications network.
Would-be women engineers will get extra financial support next year under a new government scheme in England.
The world's biggest vessel takes to the water for the first time in South Korea.
Researchers find direct evidence that female lemon sharks go back to their own birthplace to reproduce.
New research on South and Central American monkeys suggests that size is a key indicator of diet.
Ten whales die and as many as 30 more are stranded after a pod beached off Florida's Everglades National Park.
The government is to make major changes to the way it subsidises renewable energy with more emphasis on offshore wind power, the BBC has learned.
Koalas have a specialised sound-producing organ that has never before been seen in any other land-dwelling mammal, scientists discover.
Tiny particles of waste plastic that are ingested by shoreline "eco-engineer" worms could have an adverse impact on biodiversity, a study shows.
Seals on the north Norfolk coast fared better than first thought after last week's tidal surge, experts say.
New attempts to protect a critically endangered New Zealand dolphin have angered campaigners who fear the mammal will soon be extinct.
A massive "communal latrine" full of thousands of fossilised poos offers a time capsule to the dawn of the dinosaurs, scientists say.