The paintings depict what appear as humanoids with featureless faces and a tripod object that could be a vehicle.
The peculiar find was discovered in a cave system under the Charama region in Kanker district in the Indian state of Chhattisgarh. Preliminary dating says the pictures are at least 10,000 years old, reports the Times of India and rtnews
Archaeologist JR Bhagat believes that the paintings can serve as evidence of the paleocontact hypothesis, which says that in prehistoric times Earth was visited by members of an advanced alien civilization.
Chhattisgarh state department of archaeology and culture plans to seek help from Nasa and Isro for research on the 10,000-year-old rock paintings.