Why three religious groups traded monogamy for celibacy, polygamy and "complex marriage"
From jellyfish to millipedes, the rosy hues make rare but exciting appearances in nature
Some species have developed unusual rituals to show off their prowess as a potential mate
The number of visitors to this self-proclaimed Shakespearean “city of love” typically swells during the week around Valentine’s Day
Conservation centers and zoos around the world are providing ample opportunities for people to get petty by letting them name prey after their past lovers
Before you sample a truffle or a coconut cream, consider all of the innovation that has been poured into the sweets and their lovely presentation
Oliver Chase invented a lozenge-cutting machine that led to Necco wafers, Sweethearts and the mechanization of candy making
Production of the iconic treat ground to a halt after the company that makes them went out of business
The holiday began as a feast to celebrate the decapitation of a third-century Christian martyr, or perhaps two. So how did it become all about love?
Is love really just a cheek swab away?
These chocolate makers have set up shop in the only state—and the coldest place—that can sustain cacao plantations
One of the world's greatest memorials to love remains a place of mystery
The romance never dies at the House of the Chaste Lovers
Handmade Valentine cards were popularized (and commercialized) in the U.S. during the Civil War years
By cutting out the middleman, this startup is aiming for better bouquets and a greener flower industry
For at least a century, Valentine’s Day was used as an excuse to send mean, insulting cards
You probably never thought of the perennials as inventions, have you?
Just in time for Valentine's Day, a quick look at some of the world's most fascinating confectionery innovations
Sealed with a kiss, the 1940 note reflects the "earthly human love" between Kahlo and fellow artist Diego Rivera