Planetariums around the world are invited to participate in this year’s edition of the IAU’s annual outreach event.

These breathtaking photographs are the winning entries of the 2025 ZWO Astronomy Photographer of the Year Awards.

Welcome to the Department of Physics and Astronomy at the University of Delaware, where the pursuit of scientific discovery and innovation meets cutting-edge research and academic excellence. Our ...

A new trail in this southern Arizona city plots the most visitor-friendly astronomy stops—and there are plenty to choose from, including world-class observatories and six Dark Sky parks. Tucson’s new ...

A green energy plant expected to be built in Chile's Atacama Desert could increase night-time sky brightness at one of the world's most valuable astronomical locations by up to 35%, a new study has ...

In this episode, Astronomy magazine Editor Emeritus Dave Eicher invites you to head out during the early morning hours the ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. April 2025 was a busy month for space. Pop icon Katy ...