On a cold winter night in a rural area, I looked through a scope to see the rings of Saturn for the first time. Connecting ...

Why is the night sky dark? This simple question, known as Olbers' paradox, has perplexed astronomers for centuries. In an ...

At night, after the sun sets and its scattered light diminishes, the sky gets darker. But does it get completely dark—that is, with absolutely no light coming from between the stars? Nope.

As dark sky sanctuaries grow in popularity, scientists are revealing more of the benefits of darkness—from repairing DNA to improving your mental health.

Find out what's up in your night sky during August 2025 and how to see it in this Space.com stargazing guide. Looking for a ...