Get extended access to 1600+ episodes, binge watch your favorite shows, and stream anytime - online or in the PBS app.
Already a WSKG member?
You may have an unactivated WSKG Passport member benefit. Check to see.
Season 46 Episode 13 | 53m 54s | Video has closed captioning.
Mars was once a blue water-world studded with active volcanoes. But when its magnetic field and protective atmosphere faded, it became the frozen desert planet we know today. With so many necessary elements in place, did life ever form on Mars?
Aired: 07/24/19
Interactive
NOVA Labs is a free digital platform that engages teens and lifelong learners in games and interactives that foster authentic scientific exploration. Participants take part in real-world investigations by visualizing, analyzing, and playing with the same data that scientists use.
Play
