AP - President Barack Obama is traveling to Capitol Hill on Saturday to try to close the sale on his signature health care overhaul, facing a make-or-break vote in the House certain to be seen as a test of his presidency.

AP - A space elevator may not be rocket science but it can be just as complicated — and rewarding.

AP - He was by turns caring and contentious, a man quick to say "I am blessed" in casual greeting yet one who seemed to stew in discontent that he could not always keep to himself.

AP - A chaplain exhorted hundreds of mourners gathered at a candlelight vigil to not give up hope as Fort Hood and its surrounding community looked to each other for comfort after an Army psychiatrist allegedly went on a deadly shooting spree at the military base.

AP - Employees at an engineering firm recognized their former co-worker when he drew a handgun from under his shirt, police said, and shot his first victim dead in the reception area. He then walked into the office and unloaded several more rounds, wounding five other employees at the company that fired him two years ago.

AP - A young woman broke into the homes of Hollywood celebrities she admired, including Lindsay Lohan, Paris Hilton and Audrina Patridge, because she wanted to own their designer clothes and jewelry, an informant told police.

AP - Some women strode the catwalk in vicious spiked bracelets and body armor. Others had their heads covered, burqa-style, but with her shoulders — and tattoos — exposed. Male models wore long, Islamic robes as well as shorts and sequined T-shirts.