The Adler ‘Scope

Answering universe-sized questions, including what we know (and don’t know) about dark matter and dark energy, and how it involves the Big Bang.

What is dark matter? Has dark matter been discovered? Get an inside look at the history and continued discoveries within the field.

What’s in the sky in October, 2025? How to see the super harvest Moon, the Orionid meteor shower, Saturn, Jupiter, and Venus.

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

What’s in the sky in September, 2025? How to see the vernal equinox, Chicagohenge, conjunctions between Venus and Jupiter, Saturn at opposition, and the full corn Moon.

The Adler mourns the loss of American hero, former NASA Astronaut, and Adler Life-Trustee Captain James A. Lovell Jr.

The Adler Planetarium announced today the appointment of Elizabeth C. Babcock, PhD as its next President and Chief Executive Officer.

Our staff has assigned you summer reading, including a list of the best space science and astronomy books.

What’s in the sky in August, 2025? Learn how to see the Perseids Meteor Shower, and the planets Venus, Jupiter, Saturn, and Mercury.

The astrophotography guide for beginners, including tips on how to choose the right astrophotography equipment.