Former US President Barack Obama said he’s seen no evidence that aliens have made contact with Earth, clarifying his position on extraterrestrials after comments he made in a podcast went viral.

Sky News host Caleb Bond has commented on former US president Barack Obama’s comment about aliens after he appeared to suggest they exist in a recent interview.

"But the distances between solar systems are so great that the chances we’ve been visited by aliens is low, and I saw no evidence during my presidency that extraterrestrials have made contact with us....