Researchers have created a new type of invisibility cloak that is simpler than previous designs and works for all colors of the visible spectrum, making it possible to cloak larger objects than before and possibly leading to practical applications in “transformation optics.” Whereas previous…

The warp drive, one of Star Trek’s hallmark inventions, could someday become science instead of science fiction. Some physicists say the faster-than-light travel technology may one day enable humans to jet between stars for weekend getaways. Clearly it won’t be an easy task. The…

The former NASA astronaut Edgar Mitchell has claimed that aliens exist and their visits are being covered up by the United States government. Mitchell is in good company in his beliefs. Here we highlight 12 other public figures who believe that extraterrestrials may have…