Venus will pass between the Earth and sun during what’s called an inferior conjunction. But don’t plan on seeing the linkup.

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

The good news is that unlike a solar eclipse, there is no need for any special equipment to view a lunar eclipse.

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

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

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

MARION — Just after midnight on Thursday night into Friday morning, North and South America will have the opportunity to see a total lunar eclipse pierce the night sky. While not as rare or as ...

From the Art Institute of Chicago to the Adler Planetarium, several iconic institutions are giving students the chance to experience their offerings free of charge next week. Children under the ...

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