Nation-World

The American Psychological Association secretly collaborated with the administration of President George W. Bush to bolster a legal and ethical justification for the torture of prisoners swept up in the post-Sept. 11 war on terror, according to a new report by a group of dissident health professionals and human rights activists.JAMES RISEN
The spacecraft closed its four years in orbit by smashing into Mercury's far side on Friday, ending a mission whose observations have significantly altered our understanding of the sun-scorched little planet.Amina Khan
Alaska's U.S. senators joined in Republican infighting this week over a bill to allow congressional approval of a presidential deal on Iran sanctions, introducing amendments that, among others, threatened to tank the bipartisan deal.Erica Martinson
Janet Babb, a geologist with the U.S. Geological Survey Hawaiian Volcano Observatory, said this is the first time lava from this vent has come into view from a public platform within Hawaii Volcanoes National Park on Hawaii's Big Island.Caleb Jones
As Ho Chi Minh City hosts large parades and US troops gather for the 40th anniversary, younger Vietnamese show scant interest in the 'American War.'Donald Kirk
Minnesota Gov. Mark Dayton on Tuesday put an end to his state's ambitious moose research project out of concern that it is harming the animals it's designed to help. He said human handling of adults and calves when scientists collared them with GPS tracking devices resulted in too many deaths of the animals.Josephine Marcotty
A team of the United States’ most renowned search-and-rescue workers drove into the shattered city of Bhaktapur on Wednesday, having traveled to Nepal from Fairfax County, Virginia. They brought with them sniffer dogs trained to detect live bodies, acoustic and seismic listening devices designed to pick up noises from entombed victims, and engineers capable of cutting through 6-inch walls of reinforced concrete.Ellen Barry
Having weathered two all-night curfews with no major disturbances, Baltimore officials are now trying to manage growing expectations they will immediately decide whether to prosecute six police officers involved in the arrest of a black man who later died of injuries he apparently received while in custody.Amanda Lee Myers and David Dishneau
Sen. Bernie Sanders, an independent from Vermont, announced Thursday that he was running for president as a Democrat, injecting a progressive voice into the contest and providing Hillary Rodham Clinton with her first official challenger for the party’s nomination.Alan Rappeport
Chinese researchers have discovered the fossilized remains of a new dinosaur, Yi qi, or 'strange wing.' But it's not clear what the creature's wings were for.Pete Spotts