The United States announced Monday it was stepping up efforts to target extremists at home as it seeks to build a broad global coalition against Islamic State militants.
Statewide bans on plastic bags in the United States have led to significant reductions in the number of bags found on beaches and waterways, according to a scientific analysis published Monday.
The United States announced Thursday tighter export controls on critical technologies like quantum computing and semiconductor manufacturing goods, targeting access by adversaries like China.
Washington's concerns that Russia violated a 1987 arms control treaty "were not assuaged" during a meeting between the two sides in Moscow, the State Department said Thursday.
A US envoy said Monday that Washington still hoped to talk directly with the Taliban to support an Afghan peace deal but that the militants seemed unwilling to do so.
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.
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.
Wisconsin Governor Scott Walker signed a bill on Monday granting $3 billion in tax incentives to Foxconn, paving the way for the Taiwan electronics giant to build a manufacturing plant in the state.
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.
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 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 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.
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.
The head of the National Security Agency Wednesday defended US surveillance programs as part of a "noble" mission to protect the nation and said…
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.
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.
