Human spaceflight (in terms of actual importance to science since the rise of robotic spacecraft) International Space Station (for claims of necessity to conduct scientific research) Gerard K. O'Neill, L5 Society and space colonization Robert Zubrin, Mars Society, Biosphere 2 and a manned mission to Mars Voodoo science protected by government secrecy Project Mogul and the Roswell UFO incident resulting in a loss of public trust, as well as the later alien autopsy video hoax Edward Teller and Lowell Wood's work on the Strategic Defense Initiative (especially regarding the X-ray laser, but also "Brilliant Pebbles") Great Oil Sniffer Hoax