Elon Musk celebrated his 55th birthday with his mother and Shivon Zilis, the mother of four of his children.

Elon Musk turned 55 on Sunday, and his birthday celebrations came with cakes that were just as space-inspired as his career. His mother, Maye Musk, shared photos from the celebration on Instagram, ...

Billionaires might have the world at their fingertips, but when it comes to blowing out candles, they still fall for the ...