Scholars question the common conception that people with Autism Spectrum Disorder don't experience love like neurotypical people do.

Pet names and baby talk between lovers can be cringe-worthy and even incriminating. So why do couples use such lovey-dovey language?

Besides the infamous Number Nine, that is.

Evolutionary biology offers theories as to why some mammals engage in monogamy. And no, it's not because they're in love. (Sorry.)

For white, middle-class women in the 19th century U.S., courtship and marriage offered less emotional intimacy than their friendships with other women.

Did the troubadours write the book of love, or just a kind of love poetry? 

Studying the anterior insula, a prune-sized region tucked away at the base of the brain, may provide interesting clues. 

A little history behind the love birds that inspired Chaucer to invent Valentine's Day, the well-known celebration of love.