The Chicagohenge is a bi-annual event where the cosmos and architecture harmoniously align. Learn about the science behind it all!

Everything you need to know about lunar eclipses, and tips to see the next total lunar eclipse on March 3, 2026.

NASCAR Chicago Street Race is reaffirming its commitment to STEAM and the Adler Planetarium with a sponsorship of Adler at Night.

Learn how to identify planets in the night sky with your naked eye. Wow your friends with your knowledge of visible planets in the night sky.

Learn how eclipses occur and the types of eclipses, solar and lunar, that occur when the phase of the Moon and the alignment of the Sun, Moon and Earth is just right.

What’s in the sky throughout February 2025? How to see Venus, Saturn, Jupiter, Mars, and other winter stargazing opportunities.

Astro Road Trip brings telescope programming to communities across Southern Illinois in preparation for the April 8, 2024!

How to safely observe the Sun and the October 14, 2023 and April 8, 2024 solar eclipses using a homemade pinhole projector. Get equipped to eclipse!

Adler Skywatch: What’s in the sky throughout August 2023? See the Perseids Meteor Shower, a Super Blue Moon, the Super Sturgeon Moon and more!

Header image: A composite of eleven pictures showing the progression of a total solar eclipse. [ Image credit: (NASA/Aubrey Gemignani), edited by the Adler Planetarium ] An entire day is dedicated to celebrating the planet we know best this month, April 2023. Don’t forget to celebrate Earth Day on April 22; and while you’re at […]