Alleged US spying on the communications of Brazil's president have brought negotiations on buying US warplanes to a halt, a Brazilian government source said Tuesday.
Revelations about the US government's secret surveillance programs has had a big impact on "trust metrics" of Internet companies like Facebook, the social network chief Mark Zuckerberg said Wednesday.
The head of the National Security Agency Wednesday defended US surveillance programs as part of a "noble" mission to protect the nation and said…
The US military has accelerated the withdrawal of troops from Iraq and freed up equipment for the NATO-led mission in Afghanistan, the US commander in Iraq told Congress on Wednesday.
US spy chief James Clapper will brief senators Wednesday on intelligence issues tied to a landmark nuclear treaty with Russia, amid worries about Moscow's compliance, a lawmaker said Tuesday.
The US space shuttle Endeavour arrived Thursday in California, where it will make a spectacular series of flypasts before finally heading into retirement near where it was built.
The US space probe Dawn has left the orbit of Vesta, one of the biggest asteroids in the solar system, and is headed for a rendezvous with the dwarf planet Ceres in February 2015, NASA said.
Dozens of US Special Operations commandos have been deployed to northern Syria to help Turkey and "vetted" Syrian rebels fight the Islamic State group, the Pentagon confirmed Friday.
The US space shuttle Endeavour took its final flight Friday, making a spectacular series of flypasts over California before landing in Los Angeles where it will retire near its birthplace.
US multi-millionaire businessman and space tourist in training Richard Garriott said Tuesday it was his lifelong dream to go into orbit, following in the footsteps of his astronaut father.
The United States has apologised to Pakistan over "mistreatment" of a Pakistani military delegation at a US airport this week, the Pakistani defence ministry said Friday.
A US soldier who crossed into North Korea last year pleaded guilty to desertion as part of a plea agreement Friday and was sentenced to 12 months of confinement, his lawyer said.
US soldier Travis King has been freed by North Korea and is "happy" to be heading home on Wednesday, nearly three months after he ran across the border from the South, US officials said.
US military snipers in Iraq are "baiting" Iraqis by scattering items such as detonation cord, plastic explosives and ammunition, and then ambushing and killing those who pick them up, The Washington Post reported Monday.
President Barack Obama secretly authorized the sale of 55 powerful bunker-busting bombs to Israel, Newsweek magazine reported Friday.
The United States on Tuesday slapped high anti-dumping tariffs on Chinese hardwood and decorative plywood products, hitting nearly $750 million worth of imports from China.
