Much of what makes a tree is the basic structure and form. Single stems (trunks) and at least 30 feet in height, at maturity, often defines a “tree”.

Caprice Phillips shares how trips to her grandparent's home in rural Arkansas with her first telescope inspired her to search for planets outside our solar system and why representation in science is so important.

When it comes to seeing and photographing the northern lights, the Great Lakes region is one of the best destinations in the lower 48. Photographer Shawn Malone has won awards for her night sky photography. She and Adler Planetarium’s Nick Lake explains what to look for and what to avoid when viewing and photographing the skies.