Did you hear the good news? NASA found some new Earth-sized exoplanets that aren’t that far away. There might be aliens on them! Or maybe we’ll be able to live on them someday! Either way, there’s no harm in doing some early planning.
The hunt for a hypothetical planet called Vulcan near Mercury fascinated author Tom Levenson for years. It took some tough talk from Ta-Nehisi Coates to get him to finally write a book about it.