Personality typing can be fun and help people feel seen. If you took half an hour to fill out an Enneagram quiz and paid for the result, you know what we're talking about. Astrology is another ...

Sibling birth order can affect your health and well-being in different ways. (Getty Images) While birth order is known to influence people’s personality traits and behavior, whether you’re the ...

Modern research echoes Adler’s theses. In simple terms, siblings differentiate themselves to reduce direct competition. If ...

A surprising new study — or unsurprising, depending on who you are — suggests that the middle child takes the cake when it comes to certain personality traits. There's no denying that birth order ...

While birth order is known to influence people’s personality traits and behavior, whether you’re the cautious first-born or the risk-taking youngest child, that’s not the only way it affects your life ...

Both humans and chimps grow up with siblings who differ a lot from each other. Chimpanzees are notoriously unhelpful—that is, there is very little evidence that they go out of their way to invest time ...

Birth order doesn’t just determine when family photos are arranged. According to developmental psychologists, your position in the family constellation significantly influences personality development ...

It's National Siblings Day! To mark the occasion, guest host Selena Simmons-Duffin is exploring a detail very personal to her: How the number of... The order your siblings were born in may play a role ...

A couple online is giving insight into the TikTok theory of "birth order dating." A video posted by Vez (@vezgili) went viral for showing how her husband expertly jumped into action to perform manual ...