Cruise finds Fukushima pollution
An international research cruise off Japan detects radioactivity in sampled seawater and marine organisms, but well within safe levels.
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Male extinction theory challenged
A new study comparing chromosomes in humans and rhesus monkeys suggests genetic decay of the male sex chromosome has all but ended.
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Path of tsunami debris mapped out
A year on, modellers continue to provide daily forecasts of the likely spread of floating debris washed out into the Pacific by the Japanese Tohoku megatsunami.
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Time link to sudden cardiac death
How the time of day can increase the risk of dying from an irregular heartbeat has been identified by researchers.
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Distant 'water-world' confirmed
Astronomers confirm the existence of a new class of planet - a "water-world" with a thick, steamy atmosphere.
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Chinese fossil forest unearthed
Researchers discover a forest in northern China that was preserved in volcanic ash following an eruption 300 million years ago.
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Ancient tracks are elephant herd
Vast trails of seven-million-year-old fossilised footprints reveal the "social structure" of prehistoric elephants, say scientists.
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Countries oppose CO2 tax on jets
China, the US and other countries opposed to a new EU carbon tax on airlines meet in Moscow to consider possible retaliation.
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Nuclear space bomb 'quite likely'
The government must take "more seriously" the threat of a nuclear weapon being exploded in space by a rogue state, MPs warn.
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UK study reveals GPS jamming use
The illegal use of Global Positioning System (GPS) jammers in the UK is highlighted in a new study.
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Frozen plants spring back to life
Scientists in Russia raise plants from fruit stored away by squirrels 30,000 years ago, smashing the previous age record.
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Warning over native Irish species
The Irish hare is one of a number of native species facing extinction if action is not taken to control the invasion of foreign mammals in Ireland, according to new research.
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Amphibian family first for India
A new family of caecilians, the most enigmatic branch of the amphibians, has been discovered in northeastern India.
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Humboldt squid's impressive dives
Scientists tag Humboldt squid as they dive through very low-oxygen waters off the coast of California.
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Glenn marks US orbit anniversary
Former US astronaut and Senator John Glenn celebrates 50 years since his Earth orbit by chatting with crew on the International Space Station.
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Synthetic meat grown in Dutch lab
Dutch scientists use stem cells to create strips of muscle tissue, from which they hope to make the world's first lab-grown hamburger later this year.
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Nano discs 'may pose health risk'
A study at Edinburgh University finds people involved in manufacturing a material used in touch screens may face a health risk.
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Canadian readies for ISS command
Chris Hadfield will become the first Canadian to command the International Space Station during his upcoming spell on the orbiting outpost.
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Why are Moon rocks going missing?
The global hunt for Nasa's missing moon rocks
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Herschel telescope 'in last year'
Herschel, Europe's billion-euro space observatory, enters what is probably its last year of operation as its supercold helium refrigerant starts to run down.
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New West African oil discoveries
New oil finds off the coasts of Liberia and Sierra Leone raise hopes for rapid growth in the countries, still recovering from civil wars.
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EU to vote on oil sands pollution
European Union officials are expected to vote on draft legislation that would label Canadian fuel as more polluting than oil from other parts of the world.
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US and Mexico sign Gulf oil deal
The US and Mexico agree to work together to develop oil and gas fields that straddle their maritime boundary in the Gulf of Mexico.
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Defiant Santorum in Obama attack
US Republican presidential hopeful Rick Santorum renews an attack on President Barack Obama's environmental policy, calling it "political science'.
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Met Office 'needs supercomputers'
The Met Office needs new supercomputers to make confident extreme weather warnings and more accurate long-term forecasts, a group of MPs says.
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Ants remember their enemy's scent
Ants retain the scent of insects they have fought with, enabling the whole colony to collectively "know its enemies", say scientists.
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White whales in renewables report
Beluga whales are among rare species recorded at, or near to, proposed sites for marine renewables, according to a new report.
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'Abyss Box' to keep deep animals
The public are going to get the chance to see live creatures pulled up from the deep ocean in what is thought to be the first permanent display of its kind.
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Devil killer cancer genome mapped
Researchers have sequenced the genome of the killer disease that is driving the remaining wild population of Tasmanian devils towards extinction.
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VIDEO: Should false widow spiders worry us?
Experts say they have seen an increase in the number of Britain's most dangerous spider, the false widow. But should it worry us?
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VIDEO: Breakthrough in radio wave energy
Researchers at the University of Bedfordshire believe they have found a way of harvesting power from radio waves.
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VIDEO: Pianist's hands in Hollywood 3D
Researchers at the University of Southampton are using 3D motion-capture technology to understand the mechanics of piano playing.
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AUDIO: UK 'overtakes US' in physics
Dr Beth Taylor of the Institute of Physics explains why Britain has overtaken the US in the field of physics research.
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VIDEO: Petition calls for cormorant cull
A petition calling for more cormorants to be culled is being handed to the Fisheries Minister.
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VIDEO: Glenn marks 50 years since first orbit
Former astronaut and Senator John Glenn celebrated the 50th anniversary of his Earth orbit by chatting with the crew on the International Space Station.
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VIDEO: What do you get from a £10,000 speaker?
LJ Rich examines high-end audio and discovers whether it is possible to recreate the sound of an orchestra in your living room.
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VIDEO: Met office 'needs supercomputers'
The Met Office needs new supercomputers to issue confident extreme weather warnings and more accurate long-term forecasts, a group of MPs says.
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Race to the bottom of the ocean
Four teams vie for the depths of the Mariana Trench
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Confessions of a climate gate-opener
What do documents from climate sceptic group really tell us?
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Airlines and tar sands proxy for bigger climate battles
The EU and its critics fly in opposite directions on climate
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America and Russia: Uneasy partners in space
Could the space race be restarted?
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The afterlife of artificial hips and knees
What happens to metal implants in cremated human bodies?
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How long can someone survive in the cold without food?
How long can someone survive in the cold without food?
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'Final push' on polio
Could this be the year that polio is eradicated?
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