TOKYO (AP) — North Korea announced it detonated a thermonuclear device Sunday in its sixth and most powerful nuclear test to date. The North called the test a "perfect success" while its neighbors condemned the blast immediately….

TOKYO (AP) — The Latest on the nuclear test North Korea conducted Sunday – its sixth and largest so far (all times local):…

HOUSTON (AP) — President Donald Trump cupped a boy's face in his hands and then gave him a high-five. He snapped on latex gloves to hand out boxed lunches of hot dogs and potato chips. And he loaded relief supplies into vehicles, patted storm victims on the shoulder and declared the work "good exercise."…

HIGHLANDS, Texas (AP) — As Dwight Chandler sipped beer and swept out the thick muck caked inside his devastated home, he worried whether Harvey's floodwaters had also washed in pollution from the old acid pit just a couple blocks away….

HOUSTON (AP) — A city that lost its drinking water system is struggling to restore service and a crippled chemical plant that twice has been the scene of explosions remains a concern nine days after Harvey ripped across Texas….

PASADENA, Texas (AP) — The line snakes on and on, along a wall inside the shopping mall, each person in search of help after a hurricane swamped their town….

HOUSTON (AP) — Harvey did not discriminate in its destruction….

DETROIT (AP) — As Harvey grudgingly moved away from Southeast Texas, aerial photos revealed thousands of cars covered by floodwaters on streets, parking lots and in driveways….

CAPE CANAVERAL, Fla. (AP) — Astronaut Peggy Whitson returned to Earth late Saturday, wrapping up a record-breaking flight that catapulted her to first place for U.S. space endurance….

SONOMA, Calif. (AP) — Stifling temperatures and the smoky pall of wildfires marked an unofficial end to summer across the U.S. West….