Learn about a new phylum of microbes that lives in deep soil, a layer of the Earth that supports water cycling and nutrient ...

Genetic analysis of the giant woolly mammoth reveals a surprising amount of genetic diversity over a million years.

Learn how early humans made the 60-mile crossing from Europe to Malta, navigating at least partially by stars.

Learn why lowering the viral load in the mouth could be a game-changer in fighting viruses like herpes, bird flu, and more.

Learn about the detrimental environmental effects of dog ownership, and about what dog owners should do to diminish those ...