The day before his death, David Wilcock posted on YouTube that scientists have been going missing, which scared him.

Ancient Aliens star David Wilcock died in an apparent suicide following a standoff with Boulder, Colorado, police. He was 53.

Earth" brought a shipload of xenomorphs and other space horrors, but hybrids may be the biggest mystery of the show so far.

History Channel personality and extraterrestrial researcher David Wilcock, known for his 'Ancient Aliens' appearances, is ...