What does it take to detect a radio signal sent by extraterrestrial life to Earth? Two decades of work involving radio ...

Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

Lightning has captured people's fascination for millennia. It's embedded in mythology, religion and popular culture. Think of ...

Does string theory—the controversial “theory of everything” from physics—tell us anything about consciousness and the human ...