My telescope, set up for astrophotography in my light-polluted San Diego backyard, was pointed at a galaxy unfathomably far from Earth. My wife, Cristina, walked up just as the first space photo ...
Faster-than-light travel is impossible according to our current understanding of physics. Wormholes are theoretically possible but require unstable, exotic matter to stabilize. Generation ships are a ...
About 60 years ago, the original Star Trek series featured a technology called a “warp drive,” which allowed space travel at speeds much faster than light. Theoretical physicist and philosopher Albert ...