Science
Blasting out Earth’s location with the hope of reaching aliens is a controversial idea – two teams of scientists are doing it anyway
Scientists think there are 300 million habitable planets in the Milky Way, and some may be home to intelligent life. Bruno Gilli/ESO, CC BY Chris Impey, University of Arizona If a person is lost in the wilderness, they have two options. They can search for civilization, or they could make themselves easy to spot by