Cruise finds Fukushima pollutionAn international research cruise off Japan detects radioactivity in sampled seawater and marine organisms, but well within safe levels.
Male extinction theory challengedA new study comparing chromosomes in humans and rhesus monkeys suggests genetic decay of the male sex chromosome has all but ended.
Path of tsunami debris mapped outA 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.
Time link to sudden cardiac deathHow the time of day can increase the risk of dying from an irregular heartbeat has been identified by researchers.
Distant 'water-world' confirmedAstronomers confirm the existence of a new class of planet - a "water-world" with a thick, steamy atmosphere.
Chinese fossil forest unearthedResearchers discover a forest in northern China that was preserved in volcanic ash following an eruption 300 million years ago.
Ancient tracks are elephant herdVast trails of seven-million-year-old fossilised footprints reveal the "social structure" of prehistoric elephants, say scientists.
Countries oppose CO2 tax on jetsChina, the US and other countries opposed to a new EU carbon tax on airlines meet in Moscow to consider possible retaliation.
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.
UK study reveals GPS jamming useThe illegal use of Global Positioning System (GPS) jammers in the UK is highlighted in a new study.
Frozen plants spring back to lifeScientists in Russia raise plants from fruit stored away by squirrels 30,000 years ago, smashing the previous age record.
Warning over native Irish speciesThe 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.
Amphibian family first for IndiaA new family of caecilians, the most enigmatic branch of the amphibians, has been discovered in northeastern India.
Humboldt squid's impressive divesScientists tag Humboldt squid as they dive through very low-oxygen waters off the coast of California.
Glenn marks US orbit anniversaryFormer US astronaut and Senator John Glenn celebrates 50 years since his Earth orbit by chatting with crew on the International Space Station.
Synthetic meat grown in Dutch labDutch 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.
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.
Canadian readies for ISS commandChris Hadfield will become the first Canadian to command the International Space Station during his upcoming spell on the orbiting outpost.
Why are Moon rocks going missing?The global hunt for Nasa's missing moon rocks
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.
New West African oil discoveriesNew oil finds off the coasts of Liberia and Sierra Leone raise hopes for rapid growth in the countries, still recovering from civil wars.
EU to vote on oil sands pollutionEuropean 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.
US and Mexico sign Gulf oil dealThe US and Mexico agree to work together to develop oil and gas fields that straddle their maritime boundary in the Gulf of Mexico.
Defiant Santorum in Obama attackUS Republican presidential hopeful Rick Santorum renews an attack on President Barack Obama's environmental policy, calling it "political science'.
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.
Ants remember their enemy's scentAnts retain the scent of insects they have fought with, enabling the whole colony to collectively "know its enemies", say scientists.
White whales in renewables reportBeluga whales are among rare species recorded at, or near to, proposed sites for marine renewables, according to a new report.
'Abyss Box' to keep deep animalsThe 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.
Devil killer cancer genome mappedResearchers have sequenced the genome of the killer disease that is driving the remaining wild population of Tasmanian devils towards extinction.
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?
VIDEO: Breakthrough in radio wave energyResearchers at the University of Bedfordshire believe they have found a way of harvesting power from radio waves.
VIDEO: Pianist's hands in Hollywood 3DResearchers at the University of Southampton are using 3D motion-capture technology to understand the mechanics of piano playing.
AUDIO: UK 'overtakes US' in physicsDr Beth Taylor of the Institute of Physics explains why Britain has overtaken the US in the field of physics research.
VIDEO: Petition calls for cormorant cullA petition calling for more cormorants to be culled is being handed to the Fisheries Minister.
VIDEO: Glenn marks 50 years since first orbitFormer astronaut and Senator John Glenn celebrated the 50th anniversary of his Earth orbit by chatting with the crew on the International Space Station.
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.
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.
Race to the bottom of the oceanFour teams vie for the depths of the Mariana Trench
Confessions of a climate gate-openerWhat do documents from climate sceptic group really tell us?
Airlines and tar sands proxy for bigger climate battlesThe EU and its critics fly in opposite directions on climate
America and Russia: Uneasy partners in spaceCould the space race be restarted?
The afterlife of artificial hips and kneesWhat happens to metal implants in cremated human bodies?
How long can someone survive in the cold without food?How long can someone survive in the cold without food?
'Final push' on polioCould this be the year that polio is eradicated?