As the ring wearer's body temperature changes, so, too, does the mood ring's crystal change. This retro jewelry choice is enjoying a comeback — here's what to know about this nostalgic item.

W hether it’s the 1970s or the early 2000s, mood rings are often associated with a few different time periods. They became ...

Well, what’s old is new again, except with a high-tech twist: Instead of color-changing stones to indicate shifting emotions, today’s “modern mood rings” use physiological data to flag ...

The accessory even provided part of the plot in hit 1991 tear-jerking movie My Girl, in which 11-year-old Anna loses her mood ring in the woods, and when her best friend goes to look for it he is ...

Blue for happiness, green for contentment, black for a negative mood and and so on. Back in the 70s, mood rings ranged from $2 to $250. This vintage 1970s mood ring plated the "aura ring" is for ...