Many a scientist has speculated as to the prospect of extraterrestrial life eventually making its way to earth. But billionaire …

http://www.spacetourism.news/2017-06-07-aerospace-company-founder-says-extraterrestrials-are-already-here-on-earth.html

The biggest threat to humanity’s survival as a species on planet earth isn’t the green, cone-headed alien figures with oblong …

http://www.spacetourism.news/2017-03-03-scientists-humanity-could-be-wiped-out-by-extraterrestrial-microbes-hitching-a-ride-on-spacecraft.html