Obama claims historic presidential nomination

Barack Obama became the first African-American ever nominated for president by a major political party after delegates to the Democratic National Convention chose him as their standard-bearer Wednesday.

Clinton giving Obama forceful backing

The world’s most powerful women

Hopeful signs for women: Forbes fifth annual ranking showcases women who have beat out men for top posts this year.

Questions follow Mattel’s win in Bratz suit

Merriman to play — with 2 torn knee ligaments

Surgery will have to wait for Chargers linebacker Shawne Merriman, who decided Wednesday he’ll play this season despite two torn ligaments in his left knee.

Manning gets good reviews after 1st workout

'Project Runway' needs a fresh design

"Project Runway" has dealt with its share of issues lately, but ratings are still solid. Maybe with some new tweaks, including a possible move to L.A., the show can reinvigorate itself.

Gas prices force Diddy to fly (gasp!) commercial

Cells switch identity in biological breakthrough

Talk about an extreme makeover: Scientists have transformed one type of cell into another in living mice, a big step toward the goal of growing replacement tissues to treat a variety of diseases.

Blood test OK’d for heart transplant rejection

Cosmic Log: New rocket racer lifts off

Science editor Alan Boyle's Weblog: The Rocket Racing League's bigger, more powerful prototype plane gets its first flight tests.

Computer virus strikes space station

Top 10 Labor Day escapes

Labor Day weekend translates to the last hurrah of summer, when sun-lovers prepare for a bittersweet farewell to the season. Enjoy summer's last gasps at one of these close-to-home locales.

The world's worst hotel guests