Can Galactic Empires Exist Without Faster-Than-Light Travel?

My newest science fiction novel, Lockstep, was recently serialized in Analog magazine. Reactions have been pretty favourable — except that I've managed to offend a small but vocal group of readers. They're outraged that I've written an SF story in which faster than light travel is impossible. » 3/31/14 4:00pm 3/31/14 4:00pm

The Scharnhorst Effect claims we've got the speed of light wrong

Faster than light travel might be possible – but only over very small distances. And only because the light speed that we think of as absolute is actually already being slowed down. Here's why you’re not getting the light speed you’re entitled to. » 3/26/13 7:20am 3/26/13 7:20am

How NASA might build its very first warp drive

A few months ago, physicist Harold White stunned the aeronautics world when he announced that he and his team at NASA had begun work on the development of a faster-than-light warp drive. His proposed design, an ingenious re-imagining of an Alcubierre Drive, may eventually result in an engine that can transport a… » 11/26/12 10:13am 11/26/12 10:13am

Would you let NASA open a stable wormhole in our solar system?

Let's face it: Faster than light travel may never be possible, and even near-light speeds may be a pipe dream. But what if we could open a wormhole, to let us jump to another solar system? Or travel in time? » 5/20/11 7:20am 5/20/11 7:20am