Even though everyone’s hair turns gray, you’re not alone if it feels distressing to see the first silvery stands. For many people, gray hair is the first sign of aging they see — and one they’d like ...

Einstein’s claim that the speed of light is constant has survived more than a century of scrutiny—but scientists are still daring to test it. Some theories of quantum gravity suggest light might ...

Prince Albert II of Monaco had a noticeable facial scar as he returned to public life for the first time since he underwent a recent medical procedure on his scalp. Hello! Magazine reported on Friday ...