More suffering multiple chronic illnesses: More Americans are burdened by chronic illnesses such as diabetes and high blood pressure, often having more than three at a time, and this has helped fuel a big rise in out-of-pocket medical expenses, a study released on Tuesday showed. ›15:42 6 Jan, Tue
Endangered right whales reveal key secret: Scientists think they have identified a new wintering area and a possible breeding ground in the Gulf of Maine for the endangered North Atlantic right whale. ›18:33 31 Dec, Wed
Kittengarten: Take your cat to class!: It's just what it sounds like: a class for kittens and their owners. The goal is to make sure that cats are happy and healthy in their adoptive homes and that they stay there. ›19:36 5 Jan, Mon
Poorer education tied to preterm birth risk: Pregnant women with low levels of education are nearly twice as likely as their more educated peers to give birth prematurely, researchers from the Netherlands report. ›16:03 7 Jan, Wed
Melamine found in more U.S. infant formula: The FDA says the industrial chemical melamine and a byproduct cyanuric acid have now been detected in four of 89 containers of infant formula made in the United States. ›20:37 7 Jan, Wed
The 2009 Weird Science Awards: Far out, man! Check out tales of ancient marijuana use, four-eared cats and other winners of the Weird Science Awards for 2009. ›02:57 7 Jan, Wed
Matthews won't run for Pa. Senate seat: MSNBC political commentator Chris Matthews has told his colleagues he won't be leaving television to run for a U.S. Senate seat from Pennsylvania. ›02:44
Buy-ology: Movies, TV and why we buy: Does sex sell? Can subliminal advertising really influence our behavior? The results of a major scientific study are revealed in "Buy-ology." In this excerpt, the author looks at product placement in entertainment. ›21:32 7 Jan, Wed
'Everyday Americans' invited to whistle stop: President-elect Barack Obama has invited a group of "everyday Americans" to join him and Vice President-elect Joe Biden on their Whistle Stop Tour to the nation's capital on the Saturday before Inauguration Day. ›15:34 7 Jan, Wed
Obama's 'Hope' portrait goes to gallery: Even before he takes office, President-elect Barack Obama's image will become part of the permanent collection at the U.S. National Portrait Gallery, the museum announced Wednesday. ›21:45 7 Jan, Wed
Cuba allows access to Hemingway papers: Cuba on Monday began accepting requests for electronic access to more than 3,000 documents from Ernest Hemingway's home on the island, including the unpublished epilogue of "For Whom the Bell Tolls" and coded messages the author sent when using his yacht to hunt for German submarines during World War II. ›16:22 6 Jan, Tue
Study: Hawaii's pygmy killer whales stay close: A new study of pygmy killer whales one of the least understood marine mammal species shows that those living off Hawaii tend to stay close to the islands and don't swim out to the open ocean. ›15:25 2 Jan, Fri
Video: Israel resumes airstrikes in Gaza: Jan. 7: Israel Wednesday warned residents along the border between Gaza and Egypt that airstrikes are coming, saying it will continue to attack Hamas during any peace talks. NBC's Richard Engel reports.(Nightly News) ›23:52 7 Jan, Wed
Cosmic Log: Good times in ancient times: Science editor Alan Boyle's Weblog: Ancient peoples could get just as high and indulge in humor just as low as your typical contemporary college crowd. ›23:58 7 Jan, Wed
2 hours screen time a day may lead to unfit kids: Researchers have found that young teens who spend more than two hours in front of the TV or computer each day showed less endurance during a running test than their peers. ›21:40 7 Jan, Wed
10 parenting New Years resolutions: From reclaiming your home to planning a long weekend getaway, resolve to live a happier and saner life in 2009! Parenting expert Stacey Boyd shares easy ways to transform your habits and provide a healthier environment for your little ones. ›15:44 7 Jan, Wed
Nicaragua turns to wind power: Energy-starved Nicaragua is turning to wind as it tries to reduce its dependence on oil-based power. ›22:15 1 Jan, Thu
Nine eliminations on 'The Biggest Loser': The season 7 premiere of The Biggest Loser had a lot of milestones the heaviest team to compete on the show, the heaviest man and the heaviest woman, as well as the oldest contestants. The format also changed: With the exception of two couples, every team had to send a member home. ›14:01 7 Jan, Wed
Partners in love, but not in business: How dangerous is financial imbalance in a relationship? Dr. Gail Saltz advises a man whose fiancee has excluded him from investing in her startup, leaving him to handle all the household expenses. ›22:43 7 Jan, Wed
Preview: 2008 Toyota Land Cruiser: Toyota's iconic machine gets more grunt, a smoother ride and sweeter duds. ›07:00 18 Oct, Thu
Coulter: Liberals are assaulting America: In what might be her most controversial book yet, Ann Coulter calls out liberals for playing the victim, arguing that they are in fact the victimizers. Here is an excerpt from her new book, "Guilty." ›13:32 7 Jan, Wed