Of America's first 23 astronauts in space, how many were first-born children? Give up? The answer is a surprising 21, or nearly all of them. I know that because I recently had the question in a quiz ...

The birth order theory states that your place in your family can determine certain aspects of your personality, the way you interact with others, and even type of career that appeals to you. Help us ...

Birth order may play a bigger role in shaping who you are than you even realize. From the stereotypical elder, middle, and youngest sibling traits to the unique qualifications that shake things up, ...

Are you a responsible oldest child, an overlooked middle, or a free-wheeling baby? For those who adhere to the theory that birth order influences personality, the answer to that question may hold the ...

You know that moment when you’re at a party and someone mentions they’re the youngest of four kids, and you immediately think “ah, that explains the attention-seeking behavior”? Birth order psychology ...