Tobacco companies and the US states reach an agreement

This time, the US Army has environment on its mind

Astronomers have assumed that the strong gravitational force exerted by black holes helps them capture any gaseous cloud that they can pull. When this happens, the region surrounding the hole shines

Heavy polluters have to pay heavy fines. Truck manufacturers realise this the hard way

A burst of radiation from a distant star smashed into the Earth's upper atmosphere

Skeptics lose their main foothold in the global warming debate

Some television companies in the US are trying to use controversial subliminal adverts, but they cannot hide from the system patented by Ericsson of Stockholm. By measuring the energy distribution in

If the first class action suit against tobacco companies in Florida is successful, the US tobacco industry is in trouble

Conservationists trying to restore the few remaining patches of prairie in the US have recently begun using fire to promote plant diversity. But new research shows that the technique will not work