Gratefully Tattooed', a new photo book from tattoo artist Salem Ofa, documents Deadheads' Grateful Dead tattoos.

Rihanna's "Rebelle Fleur" Tattoo Rihanna, the famous singer and businesswoman, has been known to make bold fashion ...

Angelina Jolie debuted her latest tattoo in New York City, in a sweet tribute to her six children. See details.

A standard EEG test requires electrodes that come with pitfalls. A spray-on ink, capable of carrying electrical signals, avoids some of those.

Folks soon might have their brain activity scanned using a temporary tattoo, a new study suggests. This temporary scalp ...

If you're a night owl, you may be a bit better at life than you think. The benefits of being a night owl are just as helpful ...