Billionaire Elon Musk has admitted that he does not know whether alien life exists, and if he discovered it, he would not keep it a secret.In an interview with Fox News’ Tucker Carlson, Elon Musk said there is no evidence of conscious life anywhere in the universe, other than Earth.

He said that people often take it for granted, but there are no specific signs of aliens.

Elon Musk argued that he does not believe the US government is hiding the existence of extraterrestrials.

He said if the government knew about them, they would not keep it a secret and would notify them immediately.

The technology tycoon said that if the US government knew about aliens, they would use this information to increase the defense budget.

Elon Musk said that governments could use aliens as a reason to increase military spending, by saying they are a threat and need to protect Earth.

He expressed concern about the decline in the global birth rate and said that humans are the biggest threat to themselves.

Elon Musk has warned about falling birth rates in Italy and the US. He worries that without enough people living on Earth, this civilization could face the risk of collapse.