This Short Video Explains Why You've Never Met An Alien

Given the extreme age of the Galaxy, extraterrestrial civilizations should have occupied every corner of it by now. Yet we see no signs of this. A short new video produced by New Scientist beautifully explains why the Fermi Paradox is a very real scientific problem and why it should be taken more seriously. » 12/16/14 10:40am Tuesday 10:40am

Have Humans Already Conquered The Threat Of Extinction?

The Great Filter theory suggests that all advanced civilizations eventually destroy themselves before acquiring the capacity to colonize space — a notion that could explain why we've never been visited by aliens. But there may be another reason for the celestial silence. Yes, the Great Filter exists, but we've… » 9/01/14 11:00am 9/01/14 11:00am

The Great Filter theory suggests humans have already conquered the…

It's difficult to not be pessimistic when considering humanity's future prospects. Many people would agree that it's more likely than not that we'll eventually do ourselves in. And in fact, some astrobiologists theorize that all advanced civilizations hit the same insurmountable developmental wall we have. They call… » 12/21/12 11:00am 12/21/12 11:00am