US terrorism experts discuss potential for future attacks during congressional hearing before US Senate Committee on Homeland Security
The Institute of Medicine releases recommendations on global health policy
President-Elect Barack Obama says the current global economic crisis requires a coordinated global response
NASA plans to continue testing its next-generation Mars rover, hopes to continue exploring red planet with help of European Space Agency
Award recipients have risked imprisonment, harassment, and their lives to report the news and fight for press freedom in their countries
Astronauts begin first of four space walks planned for current mission
Shoppers at a local Washington, DC mall say economic situation forcing them to make changes in approach to seasonal shopping
Pentagon spokesman says senior officials constantly evaluating how to best deal with pirates, who are currently holding 18 ships and 33
