New York City's skyline looked a little darker Saturday night without the Empire State Building's lights. Its famous tower lights were off from 8:30-9:30 p.m. in observance of Earth Hour.

to celebrate the 45th anniversary of ABC News' iconic late-night show "Nightline." We go behind the scenes of New York’s most iconic building as it lights up to mark our anniversary. A manhunt ...

Local residents are riled as late-night construction went through the night for weeks at a time, ending as late (or early) as ...