Why We Love It: Clinique is always a safe bet for those with sensitive eyes. Its gel eyeliner—and a water-resistant and ...

Scientists are homing in on the nature of a mysterious force called dark energy, and nothing short of the fate of the universe hangs in the balance. The force is enormous—it makes up nearly 70% ...

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 energy is ...

Some scientists think so, but others have challenged the claim that so-called "dark oxygen" is being produced in the lightless abyss of the seabed. The discovery -- detailed last July in the ...

Discoloration that lies deep in the skin is often slate blue to gray in color. It may also be brown, but the brown is much darker than your natural skin color. Treatment can speed up the fading of ...