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

There is a new method to detect and map spots on stars by "using observations from NASA missions of orbiting planets." ...

“Observing the Galaxy is like standing in the middle of a brightly lit city at night. If you look toward the outskirts, the ...

A technique called interferometry can greatly magnify tiny objects on the sky, and is powerful enough to reveal the surfaces ...

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

This makes it appear correspondingly smaller through a telescope—infinitesimally smaller, in fact, appearing as only a point ...

Scientists once thought the early universe didn't make them.

Astronomers capture the twinkle of a distant quasar, RX J1131, and reveal the secret size of a black hole's fiery corona.

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

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

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

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