Hopes of finding life on Mars suffered a setback after new findings from NASA's Curiosity rover detected only trace amounts of methane gas in the Red Planet's atmosphere.
With the clock ticking down on a Russian-US deal, the United States said Thursday it expected Syria to hand over a list of its chemical arms within the next few days.
An Internet freedom coalition backed by US technology giants asked Thursday for 21 countries to release information on national security and law enforcement data requests.
Outgoing Microsoft CEO Steve Ballmer said Thursday his biggest regret is missing the boat on smartphones -- but he said the software giant should not admit defeat just yet.
Venezuela accused the United States of hampering its diplomatic efforts Thursday, saying Washington was denying airspace to its China-bound president and blocking visas for its UN delegation.
Apple acolytes in Asia kicked off the global rollout of two new iPhones Friday, but complaints about its high price and no new alliance in the vast Chinese market threatened to dampen the mood.
Scientists have a new lead on a possible treatment to slow Alzheimer's disease by targeting a protein involved in limiting flexibility in the aging brain.
A collection of over 100 letters, photos, plasters, drawings and personal items that once belonged to Pierre-Auguste Renoir were sold at auction Thursday in New York.
After a flurry of diplomatic smoke signals, Iran and the United States are sizing up the gamble of a presidential close encounter at the UN next week that could open a first crack in 30 years of enmity.
Hitting the "Like" button on Facebook is an element of free speech protected by the US constitution, a federal court ruled, in a case closely watched by employment lawyers.
Boeing announced Wednesday it would end production of its C-17 military transport aircraft in 2015, citing a difficult environment amid government spending cuts.
Two former Pentagon chiefs who served under Barack Obama have criticized the president over the Syria crisis and his request to Congress to authorize possible US military action.
A US appeals court Wednesday revived legal action between music giant Universal and a small media company over rights to distribute remixes of early recordings by reggae icon Bob Marley.
Defiant strongman Bashar Al-Assad promised Wednesday he would surrender Syria's chemical weapons but warned it would take at least a year to do so and cost one billion dollars.
An arbitration panel in the Hague has given US oil firm Chevron an important procedural victory in its battle against a $19 billion fine by Ecuador for polluting the Amazon basin region.
US Senator John McCain penned a blistering column for Russian media, telling the Russian people that their President Vladimir Putin is a dissent-quashing tyrant who "doesn't believe in you."