Politicians, military officials and scientists discuss non-human intelligence and when it will be time to tell the world the ...

The telescope is the invention that has allowed the great discovery of the universe itself. Over the millennia, humans built ever more elaborate constructions aligned with the heavens, revealing an ...

With more than 500 bridges crisscrossing the city of Philadelphia, they are an integral part of daily life. In a city defined by its rivers, bridges make possible the connections between people.

Filmmaker Dan Farah discusses his UFO/UAP documentary 'The Age of Disclosure,' which premieres at SXSW this weekend: "None of ...