According to intelligence reports, each alien species has a humanoid appearance with two arms and legs, Davis claimed. Nordics and Reptilians are human-sized at roughly six feet tall, Davis said at an Unidentified Anomalous Phenomena Disclosure Fund meeting in 2025.

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.

Science fiction stories about “alien” invaders are often political allegories for anxieties around immigration. Now, a government website depicts non-citizens as extraterrestrials.

Astronomer Jon Willis warns that alien signals could be passing Earth unnoticed because humans are searching on the wrong scales, with the wrong assumptions about life and intelligence.

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life.