A pilot is killed and another is injured as Virgin Galactic's SpaceShipTwo space tourism craft crashes in California.
A team has developed micro-sized rockets, powered by seawater, that can neutralise chemical and biological weapons.
Results from a citizen science online experiment suggests that the Spice Girls' Wannabe is the UK's catchiest hit single.
Technology developed during World War Two is to be used as a back-up for GPS in ports across England and Scotland.
A skin-eating fungus threatens salamanders and newts across Europe, and probably arrived on pet amphibians imported from Asia.
Scientists and government officials are meeting in Copenhagen to edit a report on the causes, impact and solutions to global warming.
Animals took so long to evolve and thrive on Earth because of incredibly low levels of oxygen during a period more than a billion years ago, scientists say.
The builders of an unmanned supply rocket which exploded on the way to the International Space Station have vowed to find the cause of the failure.
Scientists confirm that a frog found living in New York City wetlands is a new species.
Australian scientists say they have successfully tested a vaccine aimed at protecting wild koalas from chlamydia.
About 2,000 hectares of fertile land are lost each day due to damage caused by salt, according to a UN analysis.
A new study confirms that giant tortoise numbers on one of the Galapagos Islands have bounced back thanks to captive breeding.
Plans are unveiled for a £97m supercomputer which will boost the Met Office's computing capacity by 13 times, improving weather forecasting and climate modelling.
Google is attempting to diagnose cancers, heart attack risks and other ailments with a system that combines nanoparticles and a wrist-worn sensor.
Two genes are associated with repeat violent offenders, according to a genetic analysis of almost 900 criminals in Finland.
Australia's Academy of Science says a government draft plan to protect the Great Barrier Reef will not prevent its decline.
An innate ability some people have to manipulate their vocal frequency could be the key to sounding charismatic, according to new research.
Scratching an itch releases serotonin, which paradoxically makes you more itchy, research suggests.
A fragment of ancient Australia is found under Vanuatu in the South Pacific, raising new questions about how continents are formed.
Campaigners start legal action to prevent the government from capturing a family of wild beavers.
The extinction of the biggest shark known to science may have triggered whales to grow to their current hefty sizes, a study suggests.
Farmland birds are at their lowest levels since records began, according to government figures.
DNA analysis of a 45,000-year-old human has helped scientists pinpoint when our ancestors interbred with Neanderthals.
Two dinosaur skeletons have been unearthed in Mongolia, solving a mystery that has baffled palaeontologists for 50 years.
Attempts to restrict population growth will not solve global sustainability issues in the short term, new research says.
The EU agrees what it calls "the world's most ambitious" deal to cut greenhouse gas emissions by at least 40% by 2030, overcoming deep divisions.
The 10 trees to make the final of England's "Tree of the Year" competition are announced.
Small tags stuck to the undersides of baby loggerhead turtles are used to follow the animals' frenetic first hours.
The UK's wind farms generated more power than its nuclear power stations on Tuesday, the National Grid says.
The EU's decision to ban the use of some pesticides could threaten UK crops, increase food prices and hit farmers' profits, a report claims.