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The Adler ‘Scope

This is the central region of the Bullet Cluster, which is made of two massive clusters of galaxies. X-rays captured by NASA’s Chandra X-ray Observatory are colored pink. The blue represents dark matter precisely mapped by researchers using JWST.

Universe-Sized Questions: Dark Matter, Dark Energy, and the Big Bang

Friday October 17th
Michelle Nichols and Geza Gyuk

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.

This image depicts a cluster of distorted galaxies. The distorted shapes in the cluster shown here are distant galaxies, from which the light is bent by the gravitational pull of dark matter within the cluster of galaxies.

What Is Dark Matter? The Spooky Case Of Dark Matter

Wednesday October 15th
Adler Planetarium Staff

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

A bright full Moon with an orange hue appears surrounded by tree branches in the night sky.

Adler Skywatch: October 2025

Monday September 22nd
Karen Donnelly

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

Pedestrians walking (during Chicagohenge) across a crosswalk while the Sun sets in the distance with the Willis Tower in view.

Understanding Chicagohenge

Wednesday September 3rd
Adler Planetarium Staff

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

Image of downtown Chicago during the autumn equinox, with the Sun setting in between skyscrapers in the background and the Chicago river in the foreground.

Adler Skywatch: September 2025

Friday August 22nd
Karen Donnelly

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.

American hero, former NASA Astronaut, and Adler Life-Trustee Captain James Lovell

The Adler Planetarium Mourns the Loss of Captain James A. Lovell Jr.

Friday August 8th

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

Elizabeth C. Babcock Headshot

The Adler Planetarium Appoints Elizabeth Babcock as President and Chief Executive Officer

Wednesday August 6th

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

Reading List: The Best Space Science And Astronomy Books

Monday August 4th
Rachel Van Clepper

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

A dark starry night sky with three streaks of light across the sky. Deep hues of orange and purple from the Milky Way galaxy appear across the sky as well.

Adler Skywatch: August 2025

Friday July 25th
Karen Donnelly

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

Camera attached to telescope shooting a comet in the night sky.

Astrophotography 101

Wednesday July 2nd
Adler Planetarium Staff

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

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