Despite wars, disease and climate change, billionaire Microsoft co-founder Bill Gates says he's optimistic that humans' lives ...

Musk to cut government spending, and Gates to eradicate preventable diseases and spend down his vast fortune. But a ...

Billy Evans, the romantic partner of Theranos founder Elizabeth Holmes, has reportedly raised millions of dollars for his new ...

The technological success that has captured the attention of many in the United States is one aspect of the Chinese economy.