Astronomers use a high-resolution radio technique for the first time to hunt for signals from potentially habitable planets - but turn up nothing.
The last farms under sheep movement controls after the Chernobyl nuclear disaster finally have them lifted after 26 years.
EU plans for new farm-subsidy rules will reduce European food production and are likely to harm the environment, a Commons committee warns.
A US government agency goes to court to secure supplies of a drug used in lethal injections, which have dwindled since an importation ban.
The population of UK butterflies is continuing its downward trend, according to a nationwide survey of the countryside.
Astronomers using the Hubble Space Telescope say our Milky Way Galaxy will crash into its neighbour, Andromeda, in about four billion years.
The American SpaceX company completes a historic first mission to the International Space Station by a privately operated vehicle.
Paralysed rats have been able to walk again when their spinal cords were bathed in chemicals and zapped with electricity, scientists have shown.
Great white egrets are breeding in the UK for first time at a Somerset nature reserve, after confirmation of at least one chick hatching.
A professor of chemistry at Imperial College London has been formally appointed as the new chief scientific adviser to the Ministry of Defence (MoD).
The growing hobby of trying to control dreams
One of the two companies planning to build the giant HidroAysen dam in Patagonia has frozen the project, citing lack of government backing.
The planets biggest volcanoes do not need nearly as long to develop before eruption as previously thought, US research suggests.
Searching for secrets of universe in a US gold mine
Scientists have sequenced the tomato genome and say it will yield tastier fruit as a result.
The merest interaction with a member of the opposite sex can bring a glow to a womans face, a new study finds.
Plans to allow some gamekeepers in England to capture buzzards and destroy their nests to stop them eating pheasants are abandoned.
Research on cricket balls as they are subjected to varying humidity suggests that it does not affect the phenomenon of "swing bowling".
Public mistrust of the Big Six energy firms may undermine government plans for its planned Green Deal, according to the International Energy Agency.
Washing lungs before they are transplanted could increase the number of organs suitable for donation, according to doctors in Newcastle.
Wind farms should be further from homes to protect people from noise in some circumstances, a group of AMs says.
A yellow submarine is on a mission beneath the surface of Lough Erne in County Fermanagh in search of an alien species, zebra mussels.
Fraunhofer, Europes largest contract research organisation, is to set up its British HQ and create a research hub in Glasgow.
The unique saw-like chew of a New Zealand reptile could be the secret of its success, say scientists.
The first instrument to be built for the successor to the Hubble space telescope heads out of London for Washington.
A new earthquake hits the Emilia Romagna region in northern Italy, killing at least 16 people and injuring about 200, officials say.
The idea of a distinctive "Tudor era" in English history is a misleading invention, an Oxford University historian argues.
Mathematicians suggest that the reason bubbles in stout beers such as Guinness sink is simply down to shape of a standard pint glass.
A three-car self-drive convoy is tested on a public road in Spain for the first time, raising hopes of a new era of relaxed driving.
The International Energy Agency has infuriated environmentalists with a report on what it calls the "golden age" of gas.
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