Updated Feb 24, 2021 | 10:04 IST
Abraham Avi Loeb, an Israeli-American theoretical physicist and a professor at Harvard, is convinced that an alien vessel visited Earth in 2017 Harvard astronomer convinced an alien vessel visited Earth
There are many alien theories floating around on the internet at any given time. There are dedicated blogs, forums, and websites that discuss theories and claims about alien and UFO sightings .
This has been going on for decades, with many enthusiasts trying to convince the world that aliens have visited our planet multiple times.
But now, a well-known voice from the field of education has made a similar claim.