Add Yahoo as a preferred source to see more of our stories on Google. Anything with mass cannot reach lightspeed. In science fiction, spaceships moving at or beyond lightspeed enable all manner of ...

When I look at what modern relativity and cosmology actually say, the message is blunt: faster than light is not just a tough engineering problem, it collides with the basic structure of space, time, ...

Investor excitement around the SpaceX IPO is colliding with peak Elon Musk futurism after a new social media post featuring his musings about light-speed travel and exploring alien worlds. In a social ...

http://news.cnet.com/8301-17938_105-57564091-1/near-lightspeed-space-travel-not-as-cool-looking-as-you-think/?part=rss&tag=feed&subj=News-CuttingEdge WASHINGTON (AP ...