Facebook said Friday its computer system was "targeted in a sophisticated attack" last month, but that it found no evidence any user data was compromised.
An operation to tow a disabled cruise ship packed with desperate passengers back to the United States was delayed Thursday after one of the cables attaching it to a flotilla of tugs snapped.
US senators proposed a tax on carbon emissions Thursday amid growing calls for action on climate change, but the bill is expected to face staunch opposition from many conservatives.
NASA is keeping close tabs on a sizable asteroid set to whiz past our planet Friday in what the US space agency says is the closest flyby ever predicted for such a large object.
President Barack Obama said Thursday that Americans needed more than just his word to be assured he was not misusing his powers in waging a secret drone war overseas.
Ben Affleck will join the presenting cast for next week's Oscars, organizers said Thursday, despite the perceived snub that saw him miss the best director nominees' shortlist.
Billionaire Warren Buffett's investment powerhouse Berkshire Hathaway and Brazilian-led 3G Capital announced Thursday they would take over venerable US ketchup maker Heinz in a deal worth $28 billion.
Cosmic rays -- fast-moving particles that constantly pummel our planet -- come from the explosion of supernovae, new research confirmed Thursday, resolving an astronomical mystery.
Ralph Lauren's romantic Russian furs and silk dresses for next winter and Calvin Klein's military accents brought New York Fashion Week to a close Thursday in contrasting style and luxury.
President Barack Obama pledged Wednesday a "steadfast" commitment to defend Japan, including preventing nuclear attacks on its ally in the wake of North Korea's third nuclear test.
Disgraced designer John Galliano's clothes made news Wednesday even as he tried to keep out of the public eye, while Michael Kors lit up New York Fashion Week with flamboyant colors and humor.
Guantanamo's top security official said Wednesday that intelligence agents had bugged rooms where the accused 9/11 plotters meet with their lawyers, despite a ban on eavesdropping.
President Barack Obama's order aimed at ramping up protection from cyberattacks will address only a small portion of threats and sets up a fresh battle in Congress over legislation.
Best actress Oscar winners Halle Berry, Sandra Bullock, Nicole Kidman and Reese Witherspoon will be among the presenters at next week's 85th Academy Awards.
As promised, rocker and gun enthusiast Ted Nugent was on his best behavior at President Barack Obama's State of the Union address on Tuesday, but he let loose with some colorful criticism afterward.