Dark wallpapers are not just about aesthetics; they help conserve your phone’s battery life while creating a sleek, ... This wallpaper is a testament to the vastness and mystery of the universe.

Called the Dark Energy Spectroscopic Instrument, it uses a telescope based in Tucson, Arizona to create a three-dimensional map of the universe's 11-billion-year history to see how galaxies have ...

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 ...