Add Yahoo as a preferred source to see more of our stories on Google. The USS Portland test-fires a laser weapon. The photo captured infrared light to make the beam visible. Staff Sgt. Donald ...

So you’ve finally decided to do something about the annoying stubble on your legs and underarms—waxing and shaving aren’t cutting it anymore. Good for you! Taking steps toward a permanent solution is ...

Laser treatments are used to slow and stop the progression of diabetic retinopathy. These procedures aren’t painful, but they do require numbing drops beforehand ...

When we first heard the term “random laser,” we did a double-take. After all, most ordinary sources of light are random. One defining characteristic of a traditional laser is that it emits coherent ...

For years, people with brown and Black skin heard the same thing when they asked about laser hair removal: it isn't for you, ...

Yes, laser hair removal devices really do work to reduce unwanted hair in a number of treatment areas on the body and face, depending on your skin type and hair color. Whether it’s an at-home device ...