At the end of the Golden State Warriors' win Monday night over the Memphis Grizzlies, Pat and Cam Spencer matched up to the ...

Prosecutors argued the 25-year-old was jealous of the attention her 18-year-old sister and her newborn were getting, but the ...

Nobody knows how to get under your skin quite like a sibling does. For many, these squabbles typically never amount to ...

The row starts over a battered blue cup. Two children, both sure they saw it first, both certain the other one is cheating ...

Discover tips and strategies for handling sibling rivalry among kids. Learn the causes, effects, and how parents can help ...

How the Collegiate star volleyball player turned family competition into a Division I scholarship at a prestigious academic ...

Sibling rivalry isn’t just for humans, as proven by this viral video of a rescue pup named Cactus and his feline brother, ...

But for twins Emily and Abigail Roper, sibling rivalry and their fair share of bickering have been a healthy driving force ...