Brazil offers to cut carbon emissions by 36% by 2020, in an attempt to encourage richer nations to reveal their plans.

Could Obama's Asia trip hold the key to climate summit?

Europe's Rosetta probe makes its final Earth flyby, a manoeuvre designed to position it to chase down a comet in 2014.

Nasa's experiment last month to find water on the Moon was a major success, agency scientists have announced.

Nasa's experiment last month to find water on the Moon was a major success, agency scientists have announced.

The FOXP2 "language gene" in humans is barely different from the one in chimpanzees, but has massively different effects.

Money invested in protecting nature can bring huge financial returns, according to a study backed by the UK and UK.

Money invested in protecting nature can bring huge financial returns, according to a study backed by the UK.

A coral is recorded eating a jellyfish for the first time, in intriguing photographs taken by scientists.

UK government plans to make carbon emission cuts of 80% by 2050 are impossible to achieve, according to an analysis.

The level of deforestation in the Amazon drops by 45% to the lowest on record, Brazil's government says.

The rate of deforestation drops by 45% to the lowest on record.

Satellites, models and ground stations give scientists a better view than ever before of how the Greenland icecap is melting.

Europe's Rosetta probe is making its final Earth flyby as it seeks to position itself to chase down a comet in 2014.

The Central Zoo Authority in India confirms to the BBC that elephants will no longer be allowed to be kept by zoos or circuses in the country.

The Central Zoo Authority in India confirms to the BBC that elephants will no longer be allowed to be kept by zoos or circuses in the country.

Europe's Galileo sat-nav system takes shape

Images of the deepest living fish spotted in the southern seas.

Male Dawson's bees are filmed in deadly combat over females.

The key to preserving old, treasured books is contained in the compounds that produce their smell, say scientists.