NASA's team navigated a zigzag course to discovery

Hoping to make 2004 the year you finally join a gym but aren’t sure which one to choose? Or maybe you’d rather work out at home yet can’t make sense of the dizzying array of exercise equipment or all the ads promoting a quick fix.

Health experts are concerned about the spread of SARS, or severe acute respiratory syndrome, thoughout the world.

In the presidential race's war of words over the economy, U.S. President George W. Bush makes it sound as if small-business owners are in the cross hairs of Democrat John Kerry's plan to roll back tax cuts for wealthy Americans.

Just under 100 U.S. companies have recently violated mad cow regulations, according to the Food and Drug Administration. U.S. officials signaled progress in talks with Tokyo about lifting its beef ban, but Mexican officials refused to fully lift their ban on U.S. meat.