2026, October 20: Arcturus: The Star That Helped Open Chicago’s 1933 World’s Fair

October 20, 2026: Find Arcturus and the Big Dipper in the western sky after sunset. Discover the star’s seasonal transition and its role in Chicago’s 1933 World’s Fair.

2026, August 5: Moon, Saturn, Mars, Mercury, and Venus

August 5, 2026: Watch the moon separate from Saturn, Mars move beyond Taurus’ horns, Mercury retreat into twilight, and brilliant Venus approach Virgo’s Spica.

2026, May 12: Saturn Returns before Sunrise, Crescent Moon Guides the Ringed Planet While Venus Targets Jupiter

May 12, 2026: Saturn makes its first morning appearance as a crescent moon guides the way before sunrise, while Venus moves between Taurus’ horns toward Jupiter after sunset.

2026, February 9: Winter Stars Explained: Orion, Sirius, and the Hertzsprung–Russell Diagram

February 9, 2026: Explore winter’s brightest stars with a binocular. Learn how Orion, Sirius, and Betelgeuse reveal stellar temperature, color, and brightness through the Hertzsprung–Russell diagram.