Adler Planetarium

Betelgeuse, a red supergiant that is part of the constellation Orion, has recently been unusually dimmer. Is it the sign of an impending supernova, or something else—and what can it teach us about stars and the origins of the universe?

On August 21, the first total solar eclipse since 1979 that can be seen in the lower 48 states will cross America. In Chicago, we'll see 87% of the sun covered. The Adler Planetarium shares tips and fun facts about eclipse: "Pictures don't do it justice."