"You come here to Adler, you can see all 360 degrees of the moon — even the stuff that we can't see here from earth," said ...

Chicagoans can get a glimpse of the sun perfectly aligning with Chicago's east-west streets during sunrise and sunset.

This week’s lunar eclipse will be the first witnessed in high-def from the moon itself — technically a solar eclipse on the ...

Check out the Adler Planetarium, DuSable Black History Museum, Shedd Aquarium and more, with many offering free admission ...

Our planet's closest and brightest neighbor will pass approximately between the Earth and sun this week, in what's called an ...

While Chicago got a blast of summer-like temperatures on Friday and well above-average temperatures Saturday, astronomical ...

Chicagohenge is a spectacle that occurs only twice a year over a few days: once in the spring and then again in the fall.

The astronomical start of spring officially takes place overnight with the occurrence of the vernal equinox, marking the ...

"Chicagohenge" is when the sun lines up with our beautiful skyline, beaming down between the skyscrapers in the heart of the Loop. This happens on the first day of spring, which was Thursday, and ...

Equinoxes occur twice a year, in spring and fall, when Earth's axis is tilted neither toward nor away from the sun. As a ...

Adler Planetarium of Chicago is traveling to Marion Carnegie Library for an “Astro Road Trip” from 5 to 6:30 p.m. March 12.