Even if you live by yourself, you do not live alone.
Bad news, big sisters: A new study finds that firstborn girls are more likely to be overweight or obese than their second-born sisters.
More than four years after Knut the celebrity polar bear's death, scientists have finally uncovered the cause of his premature demise.
Sharing the pain and joy of child care with your spouse could pay off in the bedroom, a new study finds.
On her final flight, the Spirit of America did not go down easily.
The Perseid meteor shower maximum is upon us, and this year especially, you don't want to miss it.
Leafy, tree-lined streets aren't just good for property values; they may also be good for your health, according to a new report.
The economic recession of 2008-2009 may have hurt your bank account, but new analysis suggests it was good for the planet.