It's been almost 50 years since scientists first came up with the idea of looking for radio signals from extraterrestrial civilizations - and although there have been a couple of curious blips, we haven't yet definitively heard E.T.'s cosmic call. Now the experts in the search for extraterrestrial intelligence, or SETI, are wondering whether we've been looking in the wrong places for the wrong kinds of signals.
Or maybe we just haven't been looking long enough. Full story:
* They are Here! (in a parallel universe):
* Astronauts of Antiquity:
* THE HOLLOW EARTH, HOLLOW MARS, UFOs AND MILITARY SECRECY... Apollo 8, Apollo 16 and Hollow Earth Theories:
* THE UNKNOWN HISTORY OF MANKIND: