Facebook's quest to be a personalized newspaper for the Internet age continued on Tuesday with tweaks aimed at making sure members spy hot stories from their friends.
President Hassan Rowhani said Tuesday Iran was ready for "serious" talks on its nuclear programme without delay and that US calls for tougher sanctions showed a lack of understanding.
Bottlenose dolphins can remember each other's signature whistles for more than 20 years, a study said Wednesday -- the longest social memory ever observed in an animal.
President Barack Obama said Tuesday he was "disappointed" by Russia's decision to grant asylum to Edward Snowden, the former intelligence contractor who leaked details of vast US surveillance programs.
US defense chief Chuck Hagel, meeting with his counterpart from Azerbaijan, said Monday it was imperative Iran quickly resolve concerns about its nuclear program.
The US Republican Party on Monday threatened to prevent two US television networks from carrying party primary debates if they don't abandon planned documentaries on Hillary Clinton.
The Washington Post, the legendary newspaper that broke the Watergate scandal, is being sold to Amazon founder Jeff Bezos as it seeks to survive the onslaught of the Internet.
Intercepts between Al-Qaeda chief Ayman Al-Zawahiri and the leader of the group's Yemen affiliate sparked Washington's closure of US missions overseas and global travel alert.
The dazzling success of NASA's rover Curiosity has paved the way for a human conquest of Mars, scientists say, almost one year after the groundbreaking probe first touched down on the Red Planet.
US missions across the Middle East and Africa will be closed through August 10, officials said Sunday, amid intelligence reports an Al-Qaeda attack may be imminent.
The New York Times Company announced Saturday that it has agreed to sell The Boston Globe newspaper for $70 million cash to the principal owner of the Boston Red Sox baseball team.
The US Department of Justice on Friday launched a bid to more tightly regulate Apple's wildly lucrative iTunes storefront, after the tech giant lost a price-fixing case.