Researchers studying aging male chimpanzee relationships have gathered evidence that chimps narrow their friendships to only the most valuable relationships over time. This research is an interesting ...

Some friendships are simply one-sided. This woman and her best friend had been close since middle school. But through the years, she never felt like her friend reciprocated her efforts. So she doesn’t ...

Dear Eric: When my only son and his wife got married and had kids, I was informed that Christmas Day would just be for them to celebrate. I said OK. For decades, I have given my son and his family ...

Reciprocation. It’s the momentum behind every conversation. Do you ever learn a new word and suddenly hear it constantly? Or see a bright, tropical color and then recognize that exact hue in ...

Lebanon's powerful Hezbollah movement on Monday vowed any Israeli attacks on civilians "will be reciprocated", after an Israeli strike hit a building opposite a funeral procession for one of the group ...

More than three dozen candidates for Portland City Council and two mayoral candidates made at least 10 contributions to other candidates that were reciprocated, according to data from the city’s ...