Time-lapse photo shows progression to Blood Moon over "Endurance" waiting to liftoff from Florida. A total lunar eclipse was visible across North America overnight Wednesday (March 13 to 14, 2025 ...

The space telescope's image of a odd-looking spiral galaxy is, in reality, two distant galaxies overlapping each other. An elliptical galaxy and a spiral galaxy appear as one celestial body as a ...

Why do the northern lights have different colors? The color of the aurora depends on which gas is being excited by the ...