Billionaire Bill Gates has said he would rather pay for vaccines than traveling to Mars, which he does not think is a good use of money, Report informs referring to BBC.

“It’s actually quite expensive to go to Mars. You can buy measles vaccines and save lives for $1,000 (£814) per life saved,” he said.

“And so [that] just kind of grounds you, as in – don’t go to Mars.”

Fellow entrepreneur Elon Musk has said he wants to colonies Mars, while Jeff Bezos has also joined the “space race”.