For millennia, people have gone to great lengths to get pretty things. Take, for example, the newly discovered journeys of early West Indian groups.

Some 126 million nonsmokers are exposed "involuntary smoking" and put at increased risk of death from lung cancer, heart disease and other illnesses.

Researchers scouring swamps in the heart of Borneo island have discovered a venomous species of snake that can change its skin color

A newfound bed of deep-sea corals and other animal life found off the coast of Washington state looks strikingly tropical.

The Supreme Court plunged on Monday into the acrimonious debate over global warming and whether the government should regulate "greenhouse" gases, especially carbon dioxide from cars.

Lightning hits land more than water, and here's why.