The US intends to conduct a top-down assessment of the air defense system it has operated since after the 9/11 terrorist attacks on American soil to examine its viability.

A collision between a nuclear-powered US Navy submarine and a US warship in the Strait of Hormuz was caused by "catastrophic failure" in management, a US Navy report says.

The White House says the appointment of the European Union's first president would make Europe a stronger partner for Washington.

With US President Barack Obama admitting that he will miss a deadline to shut down the ominous Guantanamo detention facility, the fate of the detainees held there sinks further into confusion.

Barack Obama has nominated the former President George Bush's press secretary, Dana Perino, for a spot on the Broadcasting Board of Governors (BBG).

The American Civil Liberties Union is pressing the US justice system to release the torture photos that demonstrate vicious prisoner abuses by US forces in Iraq and Afghanistan.

Police at the University of California, Los Angeles have arrested 14 demonstrators, mostly students, and dispersed many others who were protesting to a rise in tuition fees.

The CIA has built one of its secret European prisons inside an exclusive riding academy outside Vilnius, Lithuania, ABC News has reported.

The US Senate might hold a key test vote as early as this weekend on a sweeping bill to remake healthcare, a senior Democratic aide says.

California faces a fresh projected budget deficit of nearly 21 billion dollars just four months after approving a fiscal plan to close a similar shortfall.

The shooting spree at Fort Hood where army psychiatrist Major Nidal Malik Hasan allegedly killed 13 fellow soldiers and injured 29 others, has nothing to do with Islam, says Muslim activist.

A US-flagged vessel has been saved from the clutches of Somali pirates who attacked the ship for the second time.

US President Barack Obama has acknowledged for the first time that the Guantanamo detention center is not going to be shuttered in January 2010 as he had promised.

The US Senate has voted against a measure aimed at preventing the Obama administration from transferring Guantanamo Bay detainees to US soil for trial.

Liberal lawmakers from the US president's Democratic Party have cautioned against sending more troops to Afghanistan, exposing a rift among the US politicians and the army.

The US public debt has reached to an all-time high of $12.031 trillion, up from earlier figures of $11.999 trillion.

A female US soldier has been detained for refusing deployment to Afghanistan.

A US general says that suicides in the US military will rise to a new high this year.

More than 14,700 American taxpayers have taken advantage of an amnesty offer put forward by the US government, officials say.

Two key American lawmakers say that Washington should allow its citizens to travel to Cuba to help promote 'democratic reforms' in that country.

The US apparently views Israel as being exempted from abiding by international law, the results of a recent online opinion poll indicate.

The declining state of the US economy has convinced a growing number of American analysts that the US capitalist financial system is doomed to disintegrate.

US President Barack Obama's decision to try the 9/11 mastermind suspect in a civilian court has been criticized by American citizens, a new poll shows.

A new US government report indicates that one out of seven Americans suffer from hunger amid the escalating woes of the latest economic downturn.

Former Alaska governor Sarah Palin has rejected rumors that she intends to run for US president in 2012 but has expressed interest in running for Congress.

US Secretary of Defense Robert Gates has blocked the release of new photographs showing prisoners in Afghanistan and Iraq being abused by their Americans captors.

Republican Senator John McCain has criticized US President Barack Obama for his handling of the 9/11 trial, saying his decision will harm efforts to combat terrorism.

A former Louisiana congressman was sentenced to 13 years in prison for abusing his office for financial purposes.

The Obama administration will begin moving towards reform of the nation's immigration laws early next year to give legal status to an estimated 12 million illegal immigrants.

President Barack Obama's top lawyer has resigned, amid an unsuccessful struggle to close the Guantanamo Bay prison.

The youngest Guantanamo detainee, a Canadian held for allegedly killing a US soldier in Afghanistan, is not going to stand trial at a civil court in the United States, says the attorney general.

According to a new study, the strict US anti-terrorism law ranks thousands of refugees, who seek to find asylum in or to immigrate to the country, as terrorists.

Khalid Shaikh Mohammed, the alleged mastermind of the 9/11 attacks and four of his colleagues are to appear before a federal court in New York, as President Barack Obama insists on an "exacting" form of justice for them.

Maj. Nidal Malik Hasan, who has allegedly killed 13 people at Fort Hood Army Post in Texas last week, is paralyzed, according to his lawyer.

The White House legal counsel, Gregory Craig, intends to announce his resignation on Friday, according to US media outlets.

President Barack Obama has left Washington, embarking on a nine-day tour of Asian countries, including two greatly anticipated stops in China.

Swine flu is thought to have killed nearly 4,000 people in the US, including more than 500 children, health officials say.

Military investigators have charged Fort Hood gunman Nidal Hasan with 13 counts of pre-meditated murder over last week's shooting rampage.

The number of US soldiers wounded during combat in Afghanistan has increased nearly four times in October this year compared to the same month a year ago.

Nine US states have joined California in the club of the worst financially-hit states which face a fiscal 'disaster' over America's reeling economy, a report says.

New York police put an end to fears shrouding a white powder mailed to several UN diplomatic offices, saying the suspicious substance was nothing but flour.

US President Barack Obama has met his top national security advisers to discuss the war in Afghanistan, ahead of a decision for troops surge there.

A study shows that in 2008, the number of US war veterans who died at home due to lack of health insurance was more than the number of those killed in Afghanistan.

A majority of Americans reject the idea that the White House should engage more troops in a seemingly endless war in Afghanistan, new poll says.

US President Barack Obama has paid tribute to the victims of last week's shooting spree at Fort Hood's military base in Texas and vowed justice for the 'craven' act.

The United States government says it will impose sanctions on those who have assisted the financial network of the imprisoned leaders of Cali cartel.

The UN missions of Austria, France, Germany and Uzbekistan in New York City have received letters with an unidentified white powder.

The US army officer who killed 13 soldiers and injured 30 at a US military base in Texas, had contacted 'a radical cleric sympathetic to al-Qaeda,' officials claim.

Policemen have captured a gunman who held hostage the principal at a high school in Pine Plains in New York, a town official says.

Convicted Washington DC sniper John Allen Muhammad has lost his final appeal at the US Supreme Court paving the way for his execution by lethal injection on Tuesday.

Former US vice presidential candidate Sarah Palin's latest comments have raised eyebrows again.

A US marine has been killed by a fellow soldier in Camp Lejeune, military investigators at the Marine base in North Carolina have found.

US Secretary of State Hillary Clinton says there is no evidence for Iran to charge three American hikers who were arrested near the country's border with Iraq.

Despite being weakened to category one, Ida is still regarded a hurricane by forecasters as it sweeps across the Gulf of Mexico, taking aim at the United States.

US Secretary of State Hillary Clinton plans to discuss Iran and North Korea with world leaders during her visit to Europe and Asia.

The meeting between US President Barack Obama and Israeli Prime Minister Benjamin Netanyahu on November 9 is likely to further infuriate the Palestinians.

US military authorities have concluded that there was only one person involved in a shooting at Fort Hood army base that left 13 dead and dozens injured.

The United States has appointed veteran diplomat John Limbert, who was held hostage at the US embassy in Tehran in 1979, as its senior Iran official at the State Department.

The Democratic-controlled House of Representatives has narrowly approved a controversial US healthcare overhaul that would give insurance to millions of uninsured Americans.

Denouncing Barack Obama as "white power in black face," hundreds of African-Americans have marched on the White House to protest against the policies of the US president.