Melting of the Arctic sea ice due to global warming is diluting surface waters and this is endangering some species of shellfish which need minerals in the water to form their shells and skeletons, scientists have found.

Most experts agree that we are losing upwards of 80,000 acres of tropical rainforest daily ... Along with this loss and degradation, we are losing some 135 plant, animal and insect species every day--or some 50,000 species a year--as the forests fall.

They may look like perm-sporting rock stars or even perfectly coiffured poodles - but this collection of specially-trimmed wildlife are actually all chickens. Pictured here is a bearded splash pullet Silkie.

The little-known Belgian federalist and the Labour peer who has never held elected office were selected at a meeting in Brussels. EU leaders chose the Belgian prime minister as the first President of the European Council. Britain's European Trade Comm

How intense will the next solar cycle be? Can we predict when a violent solar storm will blast Earth with energetic particles? Could a prolonged period of inactivity on the sun plunge Earth into a prolonged winter?

After eight years of war and huge expenditures of national treasure, is the United States really serious about succeeding in Afghanistan and Pakistan? Or, given the seemingly intractable nature of these conflicts and the exquisite difficulties of coping

RAMIN Pourandarjani was a brilliant medical student with a promising future, until he was found dead in a dormitory at Tehran police headquarters last week

NASA reported that a 23 foot wide asteroid came within about 8,700 miles of entering Earth's atmosphere on Friday. This was the third closest miss on record. Astronomers at the University of Arizona's Catalina Sky Survey group announced the finding.

Resembling a swirling witch's cauldron of glowing vapors, the black hole-powered core of the Circinus Galaxy lies 13 million light-years away from our own. This galaxy, designated a type 2 Seyfert, is a class of mostly spiral galaxies that have compact

Orchids have been around for as long as dinosaurs, but the puzzle of their evolution is only now being fully understood. To the layman's eye, flowers might not seem especially inexplicable. But what puzzled Darwin was the way in which, after appearing