A species of ant that lives in Paraguay and builds gigantic nests creates turrets specifically to ventilate its home, scientists find.

Shadow Labour minister Jack Dromey hails UK nuclear power as a "sunrise industry" and dismisses safety fears in the wake of the Fukushima disaster.

Scientists have developed fluorescent bacteria to display secret messages, creating a living invisible ink.

A wild bear whose birth was shown live around the world on the internet is believed to have been shot and killed by a hunter in Minnesota, US.

Nasa now says its six-tonne UARS satellite re-entered Earth's atmosphere far from any major landmass, north-east of the Vanuatu archipelago.

Women who drink two or more cups of coffee a day are less likely to experience depression, researchers have discovered.

Scientists design an improved "smart" window able to change from summer to winter mode.