As millions of stargazers around the world looked at the sky Wednesday night, they saw a full moon appearing larger than average. It was another "supermoon" — the second one in August 2023, making it ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. Michael J. I. Brown, Associate Professor in Astronomy ...

Skywatchers across western Europe were shocked to see a blue spiral in the night sky on Monday, March 24, 2025, a sight that caused social media to be dominated by strange and confusing images for ...

Look up on a clear sunny day and you will see a blue sky. But is this the true color of the sky? Or is it the only color of the sky? The answers are a little complicated, but they involve the nature ...

Michael J. I. Brown receives research funding from the Australian Research Council and Monash University. Matthew Kenworthy receives research funding from the Nederlandse Organisatie voor ...