- U.S. Markets, Citigroup Stock Price Suffer More Major Losses

U.S. stocks plunged again Thursday to five-year lows as hopes dimmed that lawmakers could quickly put together an aid package for U.S. automakers. There were also fresh concerns about Citigroup, considered the most vulnerable among the major U.S. banks. - Paul Solman Answers Questions on Bailouts, Banks and Economic Turmoil

As Congress debates a bailout of Detroit automakers and turmoil continues to rattle U.S. and global markets, you can ask NewsHour economics correspondent Paul Solman your questions on the crisis and take a survey on the impact on the downturn. - Judge Orders 5 Terror Suspects Freed From Guantanamo

In the first case of its kind, a federal judge ordered the release Thursday of five terror suspects held at Guantanamo Bay for almost seven years, in a pivotal test of the ability of detainees to challenge their imprisonment. - South Africa Withholds Aid to Zimbabwe as Health Crisis Grows

South Africa said Thursday it will withhold aid for Zimbabwe until a representative government is in place amid reports of a growing cholera outbreak and Zimbabwean President Robert Mugabe's objections to a visit by former world leaders. - Researchers Decode DNA of Extinct Woolly Mammoth

Scientists have mapped out much of the genetic code of the extinct woolly mammoth, opening the door to the possibility of recreating the animal and perhaps other extinct species within the next 20 years. - In Lawless Somalia, Piracy Offers Lucrative High-risk Career

With ransom for ships reaching $2 million, piracy offers Somalis a quick way to attain wealth, women and power. Learn more about the practice that is disrupting global trade. - GM CEO Defends Auto Industry's Bid for Government Rescue

Auto industry executives testified before Congress Wednesday, asking lawmakers to provide aid to the struggling companies and responding to criticisms of poor management. General Motors' CEO Rick Wagoner discusses the industry's crisis.

