I really enjoyed Alien Earths: The New Science of Planet Hunting in the Cosmos. What I liked most was the way Lisa Kaltenegger takes a subject that can easily feel overwhelming and makes it fascinating and approachable. I have come away with a completely different way of thinking about what it actually means to search for life beyond Earth. It’s not just finding another planet that looks like ours, it’s about understanding what makes a world habitable, what signs life might leave behind, and whether we would even recognize alien life if we found it. The sense of possibility runs through the book. It gives me hope. There’s so much we still don’t know, but the science and technology we have today are allowing us to ask questions that would have seemed impossible not that long ago. A great read if you’re interested in space, exoplanets, or the search for extraterrestrial life. It left me looking up at the night sky and wondering just how many other worlds might be out there.