A microscopic portrait of the Queen is created by scientists at the University of Nottingham to mark the Diamond Jubilee.

The US regains top spot from China as the biggest investor in clean energy in 2011, according to global rankings.

Shift workers getting too little sleep at the wrong time of day may be increasing their risk of diabetes or obesity, according to researchers.

People with Huntington's disease, a debilitating brain condition, appear to be "protected" from cancer, according to a study in Sweden.

The bones and eggs of a new 70-million-year-old dinosaur that resembled a flightless bird have been found in Patagonia, scientists say. Some of the eggs were probably still inside the mother dinosaur when she died - other eggs were nearby.

The European Sapce Agency has lost contact with its flagship Earth observation mission - Envisat.

One of the biggest studies of wind farms' impact on birds suggests they leave many species unaffected, though cause problems to some.

A team of 11 boards the Elgin platform in the North Sea as preparations continue to stem the leak of gas.