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NEW EXHIBIT: STARS ALIGNED

Step back in time in our newest exhibition and discover the shared histories of astrology and astronomy in Stars Aligned: Tracing the Story of Astronomy and Astrology.

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The Milky Way galaxy as seen from a dark night sky.

Adler Skywatch: November 2025

October 29, 2025

Karen Donnelly

Header Image: Dark sky image of the Milky Way taken in Middle Fork River Forest Preserve. Image credit: Vinnie Lotesto If you’ve been bothered by the late sunrises during the latter half of October, you’ll get a brief reprieve in November 2025. Daylight Saving Time Ends In the Chicago area, the Sun has been rising […]

Astrolabium Planum

Adler Planetarium Announces Opening of Stars Aligned

October 27, 2025

Adler Planetarium Staff

The newest exhibit, Stars Aligned, explores the connected histories of astronomy and astrology in the early modern period.

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

October 17, 2025

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

October 15, 2025

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.