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
Earth seems to warm up too much during sunspot activity. Now scientists say they've found where the extra energy is coming from.
Each molecule remains in the atmosphere for about 100 years, meaning the gas can deplete the ozone layer as much others covered by the 1987 Montreal Protocol.
After a beautiful landscape reemerged, a new plan for Lake Powell water usage has taken shape.
Researchers found that two of the Tetons' biggest glaciers have lost more than 20 percent of their surface area since the late 1960s.
Environmental groups worry that the practice of reflagging US commercial ships that may have PCBs so they can be scrapped abroad is beginning again.