The yellow-green streaks of fireflies that bring a magical air to summer nights, inspire camp songs and often end up in jars in children's bedrooms may be flickering out in the nation's backyards as suburban sprawl encroaches on their habitats.

Government agencies are seeking broad new authority to ramp up killings and removals of gray wolves in the Northern Rockies and Great Lakes, despite two recent court actions.

A crane hoists a key piece of oil spill evidence from the Gulf of Mexico, giving investigators their first chance to personally scrutinize the blowout preventer.

More than five decades after a partial nuclear meltdown just outside Los Angeles, state and federal officials Friday announced agreements to remove all contamination.