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Advances in high-tech weaponry are raising real fears of a space arms race
After decades of inmate abuse by both Iraqi and U.S. authorities, the prison finally shutters its doors
Despite cuts, US remains world's largest single military spender, with more than a third of total global expenditures
At least one officer is dead in operation against separatists in Slovyansk but details of the fighting remain sketchy
Speaking at a memorial, Obama recounted the dedication of those who died at last week's shooting rampage in Texas
While health advocates have made inroads, young service members feel social pressure to light up or chew
Discussion also covering Beijing's military buildup, cyberattacks against U.S. government agencies and private industry
HBO series returns with a new season that is — dragons, zombies and magic aside — a fable of our times
Activists say protest was part of an attempt to revive Occupy movement, with events planned worldwide
Michael Prysner discusses the problems he witnessed at the U.S. military post and treatment of vets with PTSD.
The Washington Post and Guardian won a Pulitzer Prize for reporting on NSA surveillance programs