You live in a house you designed and built yourself. You rely on the sun for power, heat your home with a woodstove, and farm your own fish and vegetables.

Scientists discovered true teeth growing on the head of the spotted ratfish, a distant shark relative. The toothed structure, called a tenaculum, helps males hold onto females during mating. Genetic ...

Invasive mussels that blanket the depths of lakes Huron and Michigan have pushed whitefish to the brink of extinction. What ...