Kelly Roberts, 38, told Newsweek that the bond with her youngest sister Tawnee felt like one soul split into two bodies.

This birthday tradition will never get old. A pair of lifelong best friends in Louisville, Kentucky have been exchanging the same birthday card for over 80 years, signing and dating it over and over ...

There's no rulebook to friendship. It takes a balance of tough love mixed with inside jokes and whatever other quirky things the two of you have made up over the years to keep a friendship spicy and ...

Arguably the most controversial amount of friends to have in a group, trios are often seen as toxic, a dynamic that could ...

New research reveals that surprisingly few people consider their partners as friends. Those who do, however, have much more satisfying relationships. Here’s why. In total, just 36% chose to include ...

A true friend is a priceless gem, especially one who has been by your side since childhood. For a fortunate bunch, these enduring friendships exist across Long Island — friends who have taken the ...