The investigation of pulsar signals suggests that aliens may be communicating their presence by flashing signals in the ...

Pop culture is full of references to messages from outer space. Some of them were friendly attempts at communication, such as the five-note musical sequence transmitted to Earth by aliens in Close ...

Science fiction has long speculated about the possibility of first contact with an alien species from a distant world and how we might be able to communicate with them. But what if we simply don’t ...