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.

Here's how to watch all the total lunar eclipse action unfold live and online so you don't miss a second of the dramatic "Blood Moon" on March 13.

If you haven't caught the "planet parade" in Northern Nevada's night skies, don't despair. This Friday should offer the best glimpse of one of the most elusive planets: Mercury. As the innermost ...

How and why scientists are searching for Planet X / Planet Nine / Planet 9? US Ally in Asia Uncovers Huge Chinese Spy Network Elon Musk’s Starship Makes History With First Orbital Flight Supreme ...

Dark Biosphere: Betting on a Living Universe: A deep-space documentary that challenges our understanding of life beyond our planet ... and the Multiverse (Adler Planetarium Exclusive ...

Lincoln Park Zoo is one of the oldest zoos in the country, and one of the few remaining free zoos in the U.S. The Adler Planetarium was the first planetarium in the Western Hemisphere. It opened ...

Our grade school understanding of the Solar System may not take into account the constant discoveries being made in our ...

For decades, students learned the phrase "My Very Educated Mother Just Served Us Nine Pizzas" to remember the order of the planets in the solar system: Mercury, Venus, Earth, Mars, Jupiter ...

A visible line of planets has for weeks been the talk of astronomers and hobbyist stargazers who have sought to catch a sight of our solar system's worlds. Online chatter and a frenzy of media ...