Header Image: Orionid meteors appear every year around this time when Earth travels through an area of space littered with debris from Halley’s Comet. Credit: NASA/JPL The days are getting shorter and the nights are getting longer this month, October 2019. But the longer nights mean more night-sky objects to observe. During evening twilight this […]

Header Image: Moon surface taken by the Adler’s Doane Observatory on April 7, 2017. The nation celebrates the 50th anniversary of NASA’s Apollo 11 mission this month, July 2019. It was 50 years ago on July 20 when humans first set foot on Earth’s natural satellite. It’s a big month for the Moon astronomically as well. This […]

From moon phases to meteor showers, the Adler Planetarium has got you covered when it comes to knowing what to look for in the sky. Read our list below to get started! At all times, half of our Moon is lit by the Sun, just as half of the Earth is always lit by the […]

The longest days and shortest nights of the year—for Earth’s Northern Hemisphere, anyway—take place this month, June 2019. The first day of summer for the Northern Hemisphere occurs on the solstice, at 10:54 am CDT on the 21st. It’s the longest day of the year, with the Sun rising very early and setting very late. […]