Header Image: Illustration of Mars Perseverance landing on the Red Planet. Credit: NASA/JPL-Caltech Blog Last Updated: March 2022 Humans have been fascinated by the fourth planet from the Sun for centuries. At one point, there were some astronomers who were absolutely convinced that canals—created by alien life—stretched across its surface. One thing is for sure: […]

Meet the man behind the Adler Planetarium’s Skywatch Weekly YouTube show that gives you a weekly virtual tour of what’s up in our sky.