Serious question marks hang over a key drug test just two weeks before the start of the Olympic Games, a BBC investigation finds.

Nasa scientists have said they could be on the verge of a breakthrough in their efforts to forecast earthquakes.

Improvements are approved for the two US installations leading the international quest to detect gravitational waves.

A more efficient way to shut down rogue genes raises hopes of new therapies for conditions like diabetes and HIV.

A union warns that up to 50 Edinburgh scientists could lose their jobs due to cuts in research funding.

Genetic evidence suggests humans have moved into the evolutionary fast lane and are becoming increasing different.

The EU target of ensuring 10% of fuel comes from biofuels by 2020 is "mistaken", a study says.

Scientists genetically modify goats to create a drug in their milk that protects against deadly nerve gases.

A year ago, a dead swan in Scotland became the first wild bird in the UK to be found with the deadly H5N1 virus. The discovery sparked a wave of fear about bird flu, but 12 months on it seems to have been forgotten.

The way we use the Web is changing and the future lies in mixing, mashups and pipes, argues Bill Thompson.

Biofuels are touted as a green way of powering the future, but could cause more damage if they are not brought in carefully.

"Second generation" biofuels could revolutionise plant-derived fuels' environmental credentials, experts say.

There is concern British soldiers in Iraq and Afghanistan are being treated with a drug that has not been fully tested and licensed.

Society is increasingly obsessed with the notion of being normal. But does it actually mean, and how do you measure it?

The giant GEO 600 gravitational wave detector is put in a continuous observational mode.

Scientists are hopeful a vaccine against the deadly tropical disease Marburg virus could be developed.

The government says biomass fuel is vital if the UK is to meet renewable power targets and cut CO2 emissions.

The type of HIV a person has predicts how quickly they will die from Aids, a study has suggested.

Isle of Man residents should not be alarmed by the discovery of bird flu in Scotland, a health official says.

Dan Gillmor, author of We the Media, looks at the role of citizens in reporting the news in his second column for the BBC News website.