'Grey' aliens appear like that because they've taken DNA from humans they have abducted, zany Professor David Jacobs claims. Giving his unusual theory on grey aliens, the professor of history at ...

Millions of years into the future, humans may not exist anymore. It might seem like a scary thought, but it's not something we need to worry about. Lots of species go extinct over time, and it's only ...

Aliens have been abducting humans and living on Earth before the invasion, a professor has sensationally claimed. Dr David Jacobs, a professor of history at Temple University in Pennslyvania ...

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A professor has claimed in a bizarre statement that aliens are not only abducting humans but are also using mind control to integrate themselves into Earth's society. Dr David Jacobs, a professor of ...