Carolyn Porco shares exciting new findings from the Cassini spacecraft's recent sweep of one of Saturn's moons, Enceladus. Samples gathered from the moon's icy geysers hint that an ocean under its surface could harbor life. [3:27]

CommonLit.org is a wonderful resource to use in a Language Arts classroom. Each story or article is accompanied by guided reading questions, assessment questions, and discussion questions. In addition, students can click on words to see...