President Barack Obama's first visit to China underscored a shifting balance of power: two giants moving closer to being equals.

Days after coming to power in September, Japan's new prime minister broached forming a new East Asian trading bloc with rival China — one that would exclude the United States.

If Western leaders were still puzzling over Iran's approach to nuclear talks, Mahmoud Ahmadinejad offered a timely tutorial.

President Hamid Karzai's leadership is weak, his government corrupt and nearly a third of the votes he won in the August election were thrown out as fakes.

The Obama administration is quietly laying groundwork for a long-range strategy that could be used to contain a nuclear-equipped Iran and deter its leaders from using atomic weapons.

An analysis of global temperatures by independent statisticians shows the Earth is still warming and not cooling as some global warming skeptics are claiming.

Secretary of State Hillary Rodham Clinton's failure to win Russian support for tougher talk on Iran exposed a divide between the two powers on how best to push Iran into accepting limits on its nuclear ambitions.

As Secretary of State Hillary Rodham Clinton began her first visit to Moscow as the top U.S. diplomat, the Kremlin sent a message to Washington: Russia must still be wooed and won.

Now that he is Nobel laureate Barack Obama, will he find smoother sailing for his plans to rid the world of nuclear weapons, to forge peace in the Middle East peace and stabilize Afghanistan, to halt climate change?

The Obama administration is not abandoning missile defense in Europe, but it is junking the previous administration's view of the missile threat posed by Iran and what that means for Europe.