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 ...

the scientific community and general public have been fascinated with figuring out whether there are legitimate effects based on a person’s position among siblings.The AsapSCIENCE TikTok account, ...

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 ...

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 ...

Since the time of Freud, psychologists have been devoted to nailing down how exactly our birth order affects our lives, arguing that youngest children are more rebellious or more agreeable or that ...

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 ...