What looks like an eel, has whiskers like a feline, and can eat like an otter? Biologists solve the riddle, and the answer may have evolutionary implications.
A dead swan pulled from a Scottish harbor has tested positive for the deadly H5N1 strain of avian influenza. Experts stress that birds, not humans, are at risk.
Scientists have found that umbilical cord blood may be a new source of organ-growing stem cells. But experts disagree about the future of this potentially life-saving resource.
In eastern Antarctica seabirds such as Adélie penguins are giving birth later, because shrinking sea ice is diminishing their food supply, scientists say.
Scientists say the U.S. is prepared for a slow-growing flu virus in the event of an oubreak, but perhaps not one that spreads more quickly. Also: news on a preliminary bird-blu vaccine.
The Bush Administration has announced new fuel economy standards for SUVs that it says will save millions of gallons of gas a year. But some observers say that's just a drop in the bucket.
The air over Antarctica has warmed dramatically over the past 30 years, according to a new studyso dramatically that scientists are hard pressed to explain the spike in temperature.
The South Pacific nation of Kiribati has designated an enormous swath of atolls, coral reefs, and deep ocean to become the world's third-largest marine reserve.
Despite common perceptions of England as a grey and damp destination, the island nation may be facing one of the worst droughts in a century, experts say.