Republican John McCain, the clock ticking down on a chance to narrow Democrat Barack Obama's lead in polls, fended off fresh criticism Saturday about the "negative tone" of his campaign.
The International Monetary Fund warned Saturday that debt-ridden banks were pushing the global financial system to the brink of meltdown and rich nations had so far failed to restore confidence.
You can blame your energy crisis on a lack of shut-eye, but there may be other reasons you're slogging along like a turtle. Find out what's fueling your fatigue.
Science editor Alan Boyle's Weblog: The Cassini orbiter survives its closest-ever encounter with a Saturnian moon and sends back a fresh crop of pictures and data.