A condolence note may be one of the hardest messages you'll ever have to write. Here's some advice on how to express sympathy, whether online or off. Michelle Starr Science editor Michelle Starr is ...

Add Yahoo as a preferred source to see more of our stories on Google. My sister-in-law’s husband died last year, and for a while, I was at a loss for words. What could I say that would matter? What ...