In the meantime, here are 10 of the most common causes of red on the skin. Keep in mind that these conditions may also present as dark red, purple, gray, or dark brown in individuals with darker skin.

Dark energy, the mysterious force thought to be driving the ever-faster expansion of the universe, appears to be changing over time, according to new observations released Wednesday. If dark ...

Evidence suggests that we are suspended in a cosmic sea of dark matter, a mysterious substance that shapes galaxies and large structures in the universe but is transparent to photons, the carriers ...

Few colour combos are as effortless or cool as dark denim and red. Perfect for the transitional period, an indigo wash is smart and polished, while a flash of red adds interest. Here are three ways to ...