Dennis Tito, who paid a reported $20 million for a ride on a Russian spacecraft, is said to be backing a privately funded, possibly manned, shot at Mars.
Just three months after Hong Kong rolled out a tough new round of property cooling measures, home prices have again climbed to record highs with demand unusually strong for new flats.
Mark Zuckerberg, Sergey Brin and Yuri Milner are teaming up to create the biggest award for real-life science research. CNBC's Jon Fortt has the details.
Mark Zuckerberg, Sergey Brin and Yuri Milner are launching a new foundation with designs on the Nobel Prizes, with CNBC's Jon Fortt.
Harvard leads all universities with some 52 billionaire alumni with a collective fortune of $205 billion, according to a global list of universities.
Billionaire investor Dan Loeb is trimming back his position in Herbalife, reports CNBC's Scott Wapner.
American millionaires say they are better off than they were at their 2007 peak.
Mystery surrounded the appearance of Russian billionaire Roman Abramovich's 533-foot yacht, Eclipse, at a berth in mid-town Manhattan.
CNBC's Robert Frank reports that the world's largest private yacht, owned by a reclusive Russian billionaire, is docked in Manhattan. The question is why? (1:44)
As Chinese tourists travel abroad for New Year this week, they will show why the Chinese consumer is considered the top spender in luxury worldwide.
Three of the top five on the Chronicle of Philanthropy's 2012 list of Most Generous Donors are under 40 – the largest number of young donors at the top ever.
Three of Dell's largest investors joined Southeastern Asset Management on Friday in objecting to a $24.4 billion buyout of the No. 3 PC maker led by Chief Executive Michael Dell, sources said, as opposition grows to the largest buyout since the start of the financial crisis.
Penny Pritzker, a possible nominee for commerce secretary, has never been comfortable with the title "billionaire." Her wealth could also be an odd fit in the Obama White House.
Weathering Europe's economic storm, London auctions this week netted more than $440 million as bidders snapped up high-profile works by Picasso, Modigliani, and Morisot.
Long after the housing crash, wealthy homeowners are challenging what they perceive as overly high tax assessments of their properties.
Reprising his 2011 crusade, Barack Obama is calling again for eliminating "tax breaks for private jet owners," drawing criticism from the industry and opposing politicians alike.
Shares of the nutritional-supplement company are down 20% since the hedge-fund managers duked it out on CNBC on Jan 25.
An Australian millionaire made headlines recently by giving $50 million to Australian National University. His reason? To keep it away from his kids.
One way to look at the stock market is that it's a giant wealth creation machine, reports CNBC's Robert Frank. Art Hogan, Lazard Capital Markets; and CNBC's Michelle Caruso-Cabrera & Brian Shactman, weigh in.
Giving in the United States grew by a scant two percent in 2012, the slowest since the depths of the financial crisis in 2009.