iOS 13 introduces a fresh set of built-in background options ... s Home app replaces gradients of blue, green, and yellow with colorful defocused clouds with shades of dark blue, dark green ...

Here we use sensitive near-infrared measurements of the light from background stars as it is absorbed and scattered by trace amounts of dust to probe the internal structure of the dark cloud ...

Scientists have taken another step toward understanding dark energy by peering through a cosmic cloud of water vapor ... called the cosmic microwave background (CMB) radiation—faint, leftover ...

We know today that these dark markings are actually clouds of interstellar gas and ... which shows the rich background of stars. The bright star above the filament is Phi (Φ) Tauri while the ...