The ash cloud from a volcano in Iceland kept most Europe flights canceled for a fifth day, sparking criticism from an airline group that regulators are being too cautious. What's open? Rome, Prague, Nice, France, and Barcelona, Spain.
In many ways, the nuclear summit was a victory for President Obama. But it also suggested that his goal of putting nuclear weapons under lock and key won't be realized quickly or easily.
The security summit that begins in Washington Monday aims to ensure that nuclear weapons and weapons-grade materials are put under lock and key to prevent terrorists from getting them.
Even as Obama and Medvedev signed the START nuclear weapons treaty, Vladimir Putin was supporting the new government in Kyrgyzstan, where he wants the US to give up its military base. The US should have its eyes wide open about the promise of a "reset" in relations.
Visitors look at artwork by American artist Tony Oursler entitled 'Eyes,' at a gallery in Beijing on Thursday.
The new START treaty, signed today, is a step toward a world free of nuclear weapons, President Obama said. But China's ambitions and Russia's worries could make future cuts difficult.
President Barack Obama and Russian President Dmitry Medvedev signed the START treaty on nuclear weapons today. While both hailed the missile reduction pact as a landmark, Russia is uneasy about its strategic future.
Producers of 'Countdown to Zero,' a docudrama about the dangers of nuclear weapons, hope it will boost the cause of disarmament the way 'An Inconvenient Truth' did global warming.
As world leaders convene in Washington for a summit on halting the spread of nuclear weapons, a global debate is rising on the merits – and feasibility – of total nuclear disarmament.
Not long ago, relations between the US and Russia were quite frosty. New Presidents Obama and Medvedev are set to sign the START pact limiting nuclear weapons. Will the treaty lead to closer cooperation on Iran, Afghanistan, and arms control?