Researchers believe that many of the deadliest diseases come from outer space. See more in this clip from Mega Disasters. #MegaDisasters Subscribe for more from Mega Disasters and other great The HISTORY Channel shows: http://histv.co/SubscribeHistoryYT Check out exclusive The HISTORY ...

Science writer Mike West talks to FOX 5 about a much anticipated report on UFOs that was released by the intelligence community on Friday. Subscribe to FOX 5 DC: https://www.youtube.com/channel/fox5dc?sub_confirmation=1 FOX 5 DC is your number one news source for breaking news, live events, ...

Dr. Michio Kaku -- one of the stars of "Ancient Aliens" -- says the U.S. government's admission of a UFO means there are top-secret military weapons in use ... or aliens way smarter than us are really here. SUBSCRIBE: http://tmz.me/wONe5NO About TMZ: TMZ has consistently been credited for ...