Sweeping changes could affect the United States' management of oceans, including offshore energy development.
Photos reveal the first sighting of the elusive seabird, the Fiji petrel.
Some 60,000 metric tons of radioactive waste is stored at nuclear power plants across the country, awaiting federal action that’s already a decade late.
Scientists find that certain beetles produce a substance called limonene, which gives lemons and oranges its citrusy odor, to defend against predators.
The big cats need plenty of space, which can put them in conflict with expanding development in the state.
Clove, thyme, and mint may serve as natural pesticides.
Recovered from “endangered” status, Rocky Mountain wolves are now being hunted. It’s a classic story of human interests versus a competing predator.
Foodies learn to sink their teeth into plants that are better known as weeds.
Alaska's marine waters are turning acidic from absorption of greenhouse gases faster than tropical waters.
Scientists wonder whether rising CO2 may trigger something else that further warms the climate