When we picture outer space, it tends to be the elementary school science textbook version: a dark (usually black) sky, with bright, white stars and a few pops of color coming from planets like ...

Why do pictures of Earth taken from the Moon show a black sky with no stars? Can the stars only be seen with an atmosphere? Farris W. Bruce Hesperia, California.

You look up into the night sky. Before you—above you, around you—stretches a pitch-black canvas washed with streaks and studs of brightness. You are, you realize, surrounded by light that has ...

A black hole is burping out the remnants of a star it ripped apart and ate years ago in a type of tidal disruption event that is like nothing astronomers have ever seen.

Even though the farthest stars look dimmer and dimmer, there would be a lot more of them, and the whole night sky should look very bright. It seems I’m back where I started, but I’m actually a ...

As dark sky sanctuaries grow in popularity, scientists are revealing more of the benefits of darkness—from repairing DNA to improving your mental health. SCIENCE It’s getting dark out again.