Thresher sharks visit cleaning stations on shallow tropical reefs to rid themselves of nasty parasites, say researchers.

The details of a review of UK nuclear safety ordered after the Japanese crisis will be published by the middle of May, officials say.

DR Congo rejects a bid by the UK's Soco International to search for oil in the famous Virunga National Park, home to rare mountain gorillas.

Japan raises the alert level at its stricken Fukushima Daiichi nuclear plant, one week after the quake and tsunami which triggered the atomic crisis.

The skull of former Archbishop of Canterbury Simon Theobald is given a CT scan 630 years after he was murdered during the Peasants' Revolt.

As Japan's nuclear station slowly regains power, experts ask what is the worst that can now happen.

The UK government proposes cuts of up to 70% to the feed in tariff for large scale solar energy production.

European Space Agency member states are putting 240m euros into industry so that the Ariane 5 rocket can continue to be exploited.