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 Today 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