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

All 88 internationally recognised constellations have European origins. But First Nations astronomy tells older, beautiful ...

In the leading model of cosmology, most of the universe is invisible: a combined 95% is made of dark matter and dark energy.

The universe’s expansion rate was supposed to be a solved problem, yet the latest high precision map of the early cosmos has ...

A smart, app-powered telescope that brings AI-assisted stargazing and wildlife spotting to your phone for an eye-opening $199 ...

On most nights, city skies hide the stars. Streetlights, buildings, and cars fill the air with artificial glow that drowns ...

U.S. Senators John Hickenlooper and Mike Crapo have reintroduced a bill to limit the number of satellites you can see in the sky.

The Full moon, the Yule Moon, is on December 4. This is a supermoon, the second largest of 2025. The next evening, the moon ...

Researchers have discovered a large, orderly spiral galaxy that formed soon after the Big Bang, when space was only about 1.5 ...

Marion and Rich Patterson will return again to absorb the conservancy's quiet darkness and opportunities to enjoy nature.