CAPE CANAVERAL, Fla. -- In congressional testimony and speeches around the country, NASA Administrator Michael Griffin has steadfastly presented the Bush administration's space policy as under pressure but on track to return humans to the moon by 2020.

People should consider eating less meat as a way to tackle global warming, says the UN's top climate scientist.

There is fresh evidence that people spend less when paying cash than using credit, cash-equivalent scrip or gift certificates. They also spend less when they have to estimate expenses in detail.

The world's leading internet search engine Google is celebrating the 10th anniversary of its existence.

(United Nations University) Consideration of international law and policy issues in polar regions is urgently needed as climate change opens the Arctic Ocean to shipping, fishing, and other resource exploitation, and as growing numbers of bioprospectors, researchers and tourists flock to Antarctica, all with potentially serious environmental consequences in these highly fragile ecosystems.

Depleted uranium from spent munitions has long been suspected of making people ill, but no-one had any idea how ? until now (full text available to subscribers)

AP - China will launch its third manned space mission in late September, featuring its first-ever space walk, a state news agency said.

AP - A super-sharp Earth-imaging satellite that can detail an area the size of a baseball diamond's home plate from space has been launched into orbit from Vandenberg Air Force Base on the Central California coast.

BEIJING (AP) -- China will launch its third manned space mission in late September, featuring its first-ever space walk, a state news agency said....

Researchers in Switzerland have developed a new method to fabricate borosilicate glass nanoparticles. Used in microfluidic systems, these "Pyrex"-like nanoparticles are more stable when subjected to temperature fluctuations and harsh chemical environments than currently used nanoparticles made of polymers or silica glass. Their introduction could extend the range of potential nanoparticle applications in biomedical, optical and electronic fields.