It starts with a signal. Faint, strange, and unlike anything humanity has ever recorded. Within hours, it escalates into an event that changes the course of history as an alien arrival on Earth ...

Is intelligent alien life really out there? With powerful telescopes identifying more potentially habitable planets each year, the possibility continues to grow. But what would happen if we actually ...

In this scenario, our first contact with aliens would be tragic. We should look for "loud shouts in the night".

Real or imagined, aliens challenge our beliefs of what it means to be human. July 2, 2013— -- Today is World UFO Day. People in different countries are coming together to share stories about ...