This isn’t your regular quiz—this one’s all about trusting your gut. We often share similar features with our siblings simply because of genetics, but that’s not always the case. On the other hand, ...

Playing siblings or dating just got a whole lot more complicated for one couple who recently found out they may share the same father. Carley and Mercedes — who have been dating for two years — ...

If you've ever seen a man and woman and not been able to tell if they are dating or related, don't be embarrassed. Dr Karen Wu, associate professor of Psychology at California State University, says ...