Honda Motor Co will unveil a prototype of its eagerly awaited low-cost hybrid car due for launch in early 2009 at the Paris auto show next month, Japan's No.2 automaker said on Thursday.

Asian pollution from Asian power plants, cooking and heating could create summer hot spots in the central United States and southern Europe by mid-century, U.S. climate scientists reported on Thursday.

Food for thought: Intellectual activities make people eat more than when just resting, according to a study that sheds new light on brain food.

More than one in 20 Americans aged 12 and older are depressed, according to the latest statistics from the CDC.

A radioactive tracer that "lights up" cancer hiding inside dense breasts showed promise in its first big test against mammograms, revealing more tumors and giving fewer false alarms, doctors reported Wednesday.

The move to more sustainable, earth-friendly clothing, shoes and other consumer goods may be at a "tipping point" of mainstream acceptance, and major companies like Nike and eBay are recognizing their growing importance among global shoppers.

As the world's oceans get warmer, the strongest tropical storms get stronger, climate scientists reported on Wednesday as the remnants of Hurricane Gustav spun out over the central United States.

Government scientists today expressed some concern about the plastic chemical bisphenol A -- but about fewer health topics than they noted last spring.

The same gene that affects a rodent's ability to mate for life may affect human marriages, Swedish and U.S. researchers reported on Tuesday.

Stevia followers are a diverse bunch, including health nuts and food-industry magnates. The draw? The sweetener is all-natural and naturally calorie-free. But "natural" doesn't necessarily mean safe, and scientists have long struggled to make sense of early evidence hinting that stevia could be toxic. A series of studies published last month in the journal Food and Chemical Toxicology put that question to the test for one type of stevia-based sweeteners.