Nuclear power will remain the cheapest way for the UK to grow its low-carbon energy supply for at least a decade, according to government advisers.

Scientists set sail to investigate the impact tidal energy generation could have on Pembrokeshire's marine life.

New footage of rare Sumatran tigers prompts a warning from a conservation charity against planned forest clearance for logging.

The mummified, tattooed head of an ancient Maori warrior is set to be returned to New Zealand, after decades in a French museum.

Just over a tenth of electric car charging points the government had expected to have been built in the UK are in place, the BBC has learned.

Stress prompts spotted bowerbirds to mimic alarming sounds, according to scientists.

Renewable technologies could supply 80% of the world's energy needs by mid-century, says the world's expert body on climate science.

The scale of just how dry the start of 2011 has been is evident in some fascinating new data from one of Europe's latest Earth observation satellites.