Astronomy Guides & Insights

Dust scattering halos form when X-ray light interacts with interstellar dust grains and reaches us with a slight delay, creating ring-like structures around X-ray sources.

The Quadrantids peak each January 3–4 as Earth passes through debris from asteroid 2003 EH1, producing fast, bright meteors that radiate from the northern sky. Best seen from the Northern Hemisphere, the shower is brief but can be impressively intense under dark skies.

Kid-friendly telescope picks that balance durability, ease of use, and real night-sky performance for young explorers.

Key details for the November 5, 2025 full moon, plus observing tips, the 2025 full moon calendar, and eclipse highlights.

Find the exact time today when outdoor light at your location matches noon on Pluto.

How ancient peoples used the stars to navigate, measure time, and weave myths—from Egypt to Greece.

If you plan on looking through your telescope, eyepieces are pretty important.