If intelligent aliens are out there, why aren’t we hearing from them? Are they silently observing us like zoo animals, or staying quiet out of fear that they’d catch the attention of a bloodthirsty ...

The first unmistakable signal from another intelligence would rank alongside fire and writing in the story of our species, yet a growing group of researchers warns that such a moment might arrive not ...

Sagan's team created the greatest puzzle of all time, which you can only solve if your species understands the basic nature of the universe.

Director Steven Spielberg’s most-awaited sci-fi film, Disclosure Day, has finally hit the silver screens. The plot offers a thought-provoking story revolving around government secrets, ...