Harvard professor discusses research claiming aliens may live on earth

Do aliens walk among us on Earth? Researcher shares cryptoterrestrial hypothesis

Harvard professor believes he may have found alien technology

ALIENS in the OCEAN?! Harvard Astronomer Obtains EVIDENCE of Interstellar Objects in Earth Waters

Aliens Might Be Living Among Us ''Disguised As Humans'', Claims Harvard Study | Aliens | G18V

Harvard Professor Says Debris From Alien Technology Passed Near Earth In 2017

Proof of alien tech found?

Harvard ‘alien hunter’ claims he found potential UFO debris in ocean

Ross Coulthart and Dr. Masters ask: Are aliens future humans? | Reality Check

ALIENS IN THE OCEANS?! HARVARD Scientist Finds INTERSTELLAR Objects In The Pacific Ocean: WATCH

Harvard professor’s search for remains of alien object that crashed into ocean concludes

Sniffing the Air of Alien Earths | CfA

Harvard professor believes he's found fragments of alien technology

'Metallic marbles' from ocean floor may be alien tech: Harvard scientist | NewsNation Prime

Underwater UFOs and Detecting Extinct Aliens | Harvard’s Avi Loeb | The Truth of the Matter

Cryptoterrestrials: Aliens Walking Among Us? | Strange & Suspicious TV Show

'This is why we need to find Aliens' - Says Harvard Scientist

Harvard's Prof. Avi Loeb on Extraterrestrial Life