(15 min) Worlds of Curiosity dives into the questions of "What it would be like to live on an Earth with no Moon?" or "What if the Earth was tilted on its side, like the planet Uranus?"

(31 min) Movies, mythology, and popular culture paint many pictures of the ways that our world might end. How does science shed light on world-ending planetary disruptions past and future? We’ll fly to celestial sites of devastation and disaster, exploring how these events shape our Universe, and could even threaten life on Earth.