A former CIA-linked physicist's comments about 'four alien species' have reignited UFO conspiracy theories online.

Alleged alien bodies from four different species have reportedly been recovered from downed spacecraft and are now in US government custody, according to claims made by defence scientist Hal Puthoff ...

More than 2,500 plant species have the potential to invade the Arctic at the expense of the species that belong there. Norway is one of the areas that is particularly at risk. Species that are not ...

An 89-year-old physicist who once worked on CIA-funded projects has alleged that the United States secretly recovered four different alien species from crashed UFOs over several decades. Dr Hal ...