Global warming and not natural variations in ocean cycle are to blame for stronger hurricanes, according to a new study.

A new study can't say if low testosterone levels are causing the deaths, but the research links the two.

Extracts from hot dogs bought from the supermarket, when mixed with nitrites, resulted in what appeared to be these DNA mutating compounds.

Why: "Nothing gets a student's attention like the possibility that I might kill myself." How: "Even if it's on fire, wood doesn't get that hot."

Scientists have discovered possible bird flu in two wild swans on the shore of Lake Erie, but it does not appear to be the much-feared Asian strain.

Peruvian caterpillars fool their enemies by foraging together in a large group.