Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. Why is the sky blue? – Mariana A-E., age 11, ...

Jamie Carter is an award-winning reporter who covers the night sky. All celestial objects look better when viewed in a dark sky. For comet A3 — also called C/2023 A3 (Tsuchinshan-ATLAS ...