Boston bombing suspect Dzhokhar Tsarnaev has told investigators his brother was the leader in last week's deadly attacks, and that no international terrorist groups were behind them.
More than half of the 166 detainees held at the US-run Guantanamo military prison have joined a rapidly growing hunger strike to protest their indefinite detention.
The wait for North Korea's expected missile test, which has kept South Korean and US forces on heightened alert for the past two weeks, may stretch to July.
US manufacturer Orbital Sciences launched its first Antares rocket Sunday, paving the way for a demonstration flight to the International Space Station within months.
Oscar winner Reese Witherspoon was arrested for disorderly conduct in the US state of Georgia after authorities detained her husband for drunk driving.
US authorities have asked Interpol to provide any information its members around the world might have on bombs similar to the ones used in the Boston Marathon attack.
US President Barack Obama spoke to President Vladimir Putin on Friday and thanked him for Russia's anti-terror help after bomb attacks in Boston blamed on two men of Chechen origin.
The Group of 20 economic powers pledged "ambitious" steps Friday to spur growth and job creation to get the crisis-scarred global economy back on track.
A trail of blood led to accused Boston Marathon bomber Dzhokhar Tsarnaev as he hid inside a boat after eluding one of the biggest manhunts ever staged in the United States.
Top US diplomat John Kerry said he would mull ways to deepen US engagement in the Arctic amid pleas from lawmakers to name America's first ambassador to the resource-rich region.
North America's pipeline network must be radically redrawn with new links such as Keystone XL to meet growing Canadian oil output, or risk a blow to the country's economy.
Advanced and developing countries alike voiced worries over fragile global growth, eurozone stagnation and the swamp of excess monetary liquidity as the IMF and World Bank spring meetings kicked off.
Rescuers in Texas on Thursday combed through rubble in a painstaking search for survivors after a massive blast at a fertilizer factory killed as many as 15 people and destroyed dozens of homes.
Jubilee USA Network, a debt-relief organization, on Thursday criticized the International Monetary Fund for using a "double standard" in prescribing austerity measures to troubled economies.
The FBI released pictures and video on Thursday of two men suspected of planting the Boston marathon bombs, appealing for help to identify the pair who were carrying large backpacks.