Crunch time looms in quest for 'God particle' A nearly 50-year bid to explain a riddle of fundamental matter faces a key moment on Wednesday when physicists unveil fresh data in their search for a particle called the Higgs boson.
Methadone linked to 30 percent of painkiller overdosesThe prescription drug methadone is linked to over 30 percent of painkiller overdose deaths, according to a report released by the Centers for Disease Control (CDC) and Prevention Tuesday.
Pakistan reopens Afghan supply routes as US says sorry Pakistan agreed to reopen key supply routes into Afghanistan Tuesday, ending a bitter stand-off after US Secretary of State Hillary Clinton said she was sorry for the loss of life in a botched air raid.
Libya heads to polls after decades of dictatorship Libyans vote on Saturday for a constituent assembly, the first body elected since the ouster of dictator Moamer Kadhafi, tasked with steering the country through its critical transition.
UN leader condemns lack of regulation for arms trade UN leader Ban Ki-moon said Tuesday it was a "disgrace" that there is no global arms trade regulation as he opened treaty talks held up by Palestinian demands for a place in the negotiations.
Mexico declares bird flu 'emergency' The Mexican government declared a national animal health emergency on Monday in the face of an aggressive bird flu epidemic that has infected nearly 1.7 million poultry.
04 July 2012
Olympics: Italian legend seeks sixth gold Italian veteran Valentina Vezzali will seek to bring the curtain down on her career at the London Games by claiming a record sixth fencing gold.
04 July 2012
Mexico runner-up demands presidential vote recount The runner-up in Mexico's presidential vote demanded a full recount of Sunday's balloting, raising fears he could lead disruptive mass protests like he did six years ago.
04 July 2012
ICC team released from Libya back in the Netherlands Four envoys of the International Criminal Court who were detained in Libya last month after visiting the son of slain leader Moamer Kadhafi arrived Tuesday in the Netherlands.
04 July 2012
Whaling nations defeat proposed Atlantic sanctuary Japan and its allies shot down a Latin American-led proposal Monday to create a sanctuary for whales in the southern Atlantic Ocean, reigniting international tensions over Tokyo's whaling.
04 July 2012
Mission Impossible? Tom Cruise under fire at 50 Tom Cruise was named the highest paid actor in Hollywood on Tuesday, on his 50th birthday -- but the "Mission Impossible" star has little to celebrate.
Twitter says government requests rising in 2012 Twitter said Monday in its first "transparency report" that the number of government requests for user information or to block content is rising in 2012.