For siblings, fights over the last cookie or the TV remote are a matter of life and death.

As with friends and partners, sibling relationships can become toxic. When this happens to you, it's important to take precautions and protect yourself. Over eight in 10 children in the U.S. grow up ...

Sibling relationships shape who we become, helping us learn to express emotions, develop social skills, and feel a sense of security and belonging. While siblings commonly engage in rivalry and ...

While sibling rivalry often captures more attention, it is the moments of sibling revelry that truly fortify familial bonds and contribute to psychological well-being. Sibling relationships are among ...

“I said it bluntly, hoping it would be a wake-up call and motivate him to at least work on something — anything,” the teen wrote on Reddit Brian Anthony Hernandez, who has nearly 20 years of ...

Sibling relationships can be complicated. While lots of thought is given to fostering friendships and romantic partnerships, sibling relationships are often put on the back burner despite their ...

As Prince Harry's accounts of a troubled relationship with his brother, Prince William, in his new memoir "Spare" make waves, you may be wondering if there's any hope for a relationship so fraught — ...

The Science of Siblings is a new series exploring the ways our siblings can influence us, from our money and our mental health all the way down to our very molecules. We'll be sharing these stories ...

Our siblings are our first friends, hopefully. They're the ones who watch you go through everything in your life, even the things you would rather not remember. You would hope that all of you would be ...

Like many people, my husband and I are hooked on the show “Succession,” now streaming on HBO Max. The main characters are members of the ultra-wealthy, highly dysfunctional Roy family. The family ...