Comet C/2024 G3 (ATLAS) seen above ESO's Paranal Observatory in Chile on Jan. 21, 2025. ESO's Very Large Telescope sits atop ...

The city of Flagstaff has taken big steps to preserve the clarity of its night sky. Find out the best ways to experience the ...

While it is already dimming after a close encounter with the sun, Comet C/2024 G3 (ATLAS) – also called the Great Comet of ...

Walking to the roof of Carnegie Science Hall to visit the college's observatory feels like being in a boat — the strange ...

The nebulosity of hydrogen gas is revealed with the use of a “Hydrogen-Alpha” filter in an astro image of the Cygnus ...

Experts recommend looking toward the southwest horizon to see the planets. You can see six planets for most of the month with a chance for a bonus from Mercury at the end of February.

The desert city in southern Arizona is a sanctuary for stargazers—and now it's even easier for visitors to explore.