Dr. Hal Puthoff claims the U.S. has recovered remains of four separate species of alien life from UFOs, citing people involved in the recoveries.

The US has recovered four distinct species of extraterrestrial life from crashed UFOs, a former CIA-funded government researcher sensationally claimed this week.

Former CIA researcher claims US retrieved four species of extraterrestrial life from crashed UFOs.

Men, a historic four-issue crossover series from Kieron Gillen, Geraldo Borges, Chris Claremont and more, arrives in ...

The latest developments in UAP disclosure have seen the US government publish additional files on unidentified anomalous ...

Alien plants and animals cost Europe over $1.5 trillion in the last six decades, according to a new study, indicating the global economic impact of such species could be several times higher than ...

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

"Star Wars" has a seemingly never-ending supply of alien designs. However, these five are the worst of the bunch, falling ...

Introduction: Nonnative species in the world / David Pimentel -- The impacts of alien plants in Australia / Richard H. Groves -- Environmental and economic costs of invertebrate invasions in Australia ...

A deep dive into one of science fiction’s most detailed alien designs and the biology behind it.