We all know that a birthday deserves a celebratory acknowledgement, but many folks have trouble figuring out what to write in a birthday card other than the obvious 'happy birthday' phrase. Thankfully ...

Go easy on over-the-counter melatonin supplements — misusing them or taking too many can lead to adverse health effects, say experts.

Space can be a wondrous place, and we've got the pictures to prove it! Take a look at our favorite space pictures here, and if you're wondering what happened to today in space history don't miss ...