Brad Pitt: Im proud of my crazy family: As families move into self-sustaining, flood-resistant housing in his adopted hometown of New Orleans, Brad Pitt speaks with pride of his Make It Right Foundation, as well as of his own family with Angelina Jolie: I truly feel rich being around them. ›15:43

Baby formula poses hidden risks: Tough financial times often call for inventive, improvised measures for families to make ends meet, but it nearly cost the life of a 5-month-old boy in Florida. Experts discuss the dangers of intoxication for infants when their baby formula is watered down. ›14:38

Odd comet possibly from another star system: The bizarre chemical make-up of a comet suggests the blob of ice is an interloper, possibly flung into our solar system from beyond, astronomers now say, adding that the wacky comet is forcing them to create a new category for such objects. ›01:45

Bush, first lady mark World AIDS Day: President Bush says his presidential initiative has already met its goal of treating two million people with the deadly AIDS disease in sub-Saharan Africa. ›15:53 1 Dec, Mon

Ethnic Minorities Key to Burma's Future: As the vast majority of Burmese citizens clamor for change, ethnic minorities could be keys to the countrys future. How theyre planning ahead. ›20:30 6 Oct, Sat

Global AIDS crisis overblown? Some dare to say so: As World AIDS Day is marked on Monday, some experts are growing more outspoken in complaining that AIDS is eating up funding at the expense of more pressing health needs. ›17:42 30 Nov, Sun

Invisible lights on Mars mapped: Mars' ultraviolet auroral lights have been mapped for the first time. The map could in turn shed light on the way the Red Planet interacts with electrically charged particles spit out by the sun. ›00:25

An inside look at female porn executive's life: Joy King has enjoyed her 24 years in the X-rated movie business, but thats not to say that it has always been an easy road, especially for her personal life. ›13:41

Al Gore's Nobel Patrol: A vigilant fan of the former veep keeps watch as the Nobel Committee announces its peace prize. ›15:10 12 Oct, Fri

Video: New tapes reveal more of Nixon's tough talk: Dec. 2: Former President Richard Nixon's reputation takes a fresh pounding every time the National Archives releases another batch of audio tapes from his presidency, and Tuesday's opening of nearly 200 hours of Nixon White House recordings was no exception. NBC's Pete Williams reports.(Nightly News) ›00:01

Cat lost in Yellowstone returned to Texas family: A cat lost in Yellowstone National Park in August has been returned to her family in Houston with the help of some West Yellowstone residents. Fluffy somehow survived for about three months despite the coyotes, foxes, owls, hawks, eagles and grizzly bears that frequent the area. ›01:55

New hope on AIDS in Africa: In a sign of hope on a continent ravaged by AIDS, a South African fertility clinic has started a service allowing couples infected with the virus to have a healthy baby. ›12:20 1 Dec, Mon

2007 Tokyo Motor Show: Cars Makers Should Greenlight: The concept cars that we think should become production models. ›07:00 31 Oct, Wed

Video: Governors look to Obama for aid: Dec. 2: The nation's governors pressed President-elect Obama for their own bailouts Tuesday as state budgets across the country have hit a wall. NBC's Savannah Guthrie reports.(Nightly News) ›23:43 2 Dec, Tue

New doctors still too tired for safety: Doctors-in-training are still too exhausted, says a new U.S. report that calls on hospitals to let them have a nap. ›22:48 2 Dec, Tue

Judges reject Alaska offshore drilling plan: Federal regulators improperly granted Shell Oil permission for exploratory drilling in Alaska's Beaufort Sea, a federal appeals court ruled Thursday. ›17:08 21 Nov, Fri

1 in 5 young Americans has personality disorder: Almost one in five young American adults has a personality disorder that interferes with everyday life, and even more abuse alcohol or drugs, researchers report. ›22:10 1 Dec, Mon

Neocons Converge Around Giuliani Campaign: ›21:52 6 Oct, Sat

The Duggars: How they live debt-free: Readers have a lot of questions about how Jim Bob and Michelle Duggar manage to raise their 17 kids without going broke. Here, the busy couple comes clean about living debt-free, preparing for grandkids and more plus they offer a crowd-pleasing recipe. ›15:02 2 Dec, Tue

Video: Algae truly a 'green' energy source: Dec. 2: Backed by millions of dollars in venture capital, oil companies like Chevron and Shell are now reporting success in squeezing enough biodiesel from slimy algae to make it a viable source of fuel. NBC's Kerry Sanders reports.(Nightly News) ›00:15

Drugs: Meet Mexicos Suspected Queenpin: Sexy, stylish and female. Meet Mexicos unlikely druglord suspect. ›22:00 10 Oct, Wed