'Falling Skies' finds the group of survivors confronting a city that's trying to avoid the enemy rather than engage it.
TNT's new sci-fi show 'Falling Skies' echoes themes in AMC's 'The Walking Dead,' but 'Falling Skies' does it better. Post-apocalytic survival is more action packed and human in 'Falling Skies.'
Strictly speaking, we're all one-way time travelers: plodding forward through the progress of existence second-by-second. And thanks to special relativity, you could, in principle, skip ahead into the future by traveling at a very high speed relative to your contemporaries. But that, too, would be a one-way trip. As for travel back in time? Some physicists cautiously speculate that it is possible, but only time will tell. In the meantime, here are our top ten favorite fictional time travelers.