Imagine a world where you could share your home, your culture and your knowledge with beings from another planet. A world where you can learn from their history, their science and their art. A world where you can discover the wonders of the cosmos together. This is not a fantasy, but a possible future scenario that some scientists and thinkers have imagined. How could such a scenario come about? There are several ways we could encounter alien life in the Milky Way. One of them is by detecting their signals, sent to us intentionally or unintentionally. Another is by finding evidence…