Musk

The Tesla CEO and SpaceX founder's net worth was recorded at 8.5bn (£138.9bn) in New York on Thursday.

That was around .5bn more than Amazon Inc founder Mr Bezos, who has held the top spot since October 2017.

Mr Musk's increased wealth came as a result of a bounce in Tesla's share price.

Elon Musk, the outspoken and envelope-pushing founder and CEO of Tesla, overtook Amazon boss Jeff Bezos to become the world's wealthiest person, U.S. media reported on Jan. 7.

Musk is a major shareholder of the electric car company and has benefited from Tesla's surging share price over the last year. CNBC estimated his wealth at $185 billion.

Jeff Bezos' space company Blue Origin will take the first woman to the moon's surface, the billionaire said on Friday as NASA nears a decision to pick its first privately built lunar landers capable of sending astronauts to the moon by 2024.

Tesla Inc CEO Elon Musk and Canadian singer Grimes, who announced on May 5 the birth of their first child together, plan to join a growing number of families opting for a gender-neutral parenting style.

Elon Musk's SpaceX simulated a successful emergency landing on Jan. 19 in a dramatic test of a crucial abort system on an unmanned astronaut capsule, a big step its mission to fly NASA astronauts for the first time as soon as this spring.   

Saudi Arabia has become the first country in the world to have given citizenship to a humanoid robot, the Daily Mail reported.