Brazil said Washington had not sufficiently responded to Brasilia's request it explain the alleged US electronic spying disclosed by rogue intelligence leaker Edward Snowden.
US regulators on Monday approved the first brain wave test for attention deficit hyperactivity disorder, saying it may improve the accuracy of diagnoses by medical experts.
US Secretary of State John Kerry headed to Jordan Monday on his sixth trip to the region as he tries to push Israelis and Palestinians back to peace talks.
Ten weeks before German elections, Chancellor Angela Merkel's centre-left rivals have gone on the attack over reports of sweeping US online surveillance and German cooperation.
Alleged Boston bomber Dzhokhar Tsarnaev is seeking to beef up his legal team by hiring an additional attorney who specializes in death penalty and terrorism cases.
US banking giant Citigroup Monday reported better-than-expected quarterly earnings as strong securities and investment banking revenues helped offset weaker mortgage business and continued US consumer caution.
Egypt's public prosecutor ordered the freezing of assets belonging to 14 top Islamists, as the US dispatched its first senior official to Cairo since president Mohamed Morsi's ouster.
How formidable a potential candidate is Hillary Clinton? A group laying groundwork for her possible 2016 presidential campaign said it is being offered million-dollar donations -- before she has even announced a run.
A top US official was heading to Cairo on Sunday for talks with interim government leaders, the first high-ranking administration member to visit Egypt since the ouster of Mohamed Morsi.
President Barack Obama appealed to Americans for restraint Sunday amid anger from civil rights activists and public protests against the acquittal of a man who gunned down an unarmed black teenager.
AT&T announced plans Friday to buy mobile carrier Leap Wireless in a deal worth at least $4 billion, giving the telecom giant more spectrum and the Cricket prepaid phone franchise.
The entertainment studios behind Hulu took the online video service off the auction block Friday, opting instead to pump an additional $750 million into the Netflix rival.