Imagined worlds. Real questions.

What If?

Step into the possibilities: unfamiliar ecosystems, distant worlds and discoveries that haven’t happened.

These are fictional stories inspired by science. Each story explains what is known, what is uncertain and what we invented.

Dive beneath Europa’s ice →

AI-generated fictional expedition scene

Begin exploring

Choose your imagined journey

Discover Nera

Our original world of living tidal arches and the six-limbed Vey. Meet its inhabitants, explore the coast and begin Seli’s first story.

Explore the world guide →

How to read these stories

Enjoy the imagined journey, then follow the science note at the end. Pictures of fictional life are labelled as illustrations. For factual explainers, visit Articles; for hands-on exploration, visit Tools.