The Red Planet beckons electric-car entrepreneur Elon Musk. He's hoping to put a man on Mars by 2020. Space fanboys are placing their dreams of getting off this rock on a slender reed.

David Letterman loves his Tesla Roadster so much that he invited Tesla CEO Elon Musk onto the Late Show last night. The question he should have asked: How long will Musk keep his job?

Owen Van Natta, Facebook's former COO, is officially taking over MySpace, News Corp.'s social network. With its user numbers stagnant, MySpace desperately needs a restart. Is Van Natta the guy to do it?

Former Facebook COO Owen Van Natta is the frontrunner to replace Chris DeWolfe as MySpace CEO. Blog lordling Jason Calacanis has been jokingly nominated for the News Corp. gig. Here's who should get it.

Tesla CEO Elon Musk's novelist ex-wife and actress fiancée had "a not completely awkward breakfast."

Uh oh! Silicon Valley journalist Sarah Lacy laughed when Tesla Motors CEO Elon Musk called a New York Times writer a "douchebag." Now the Times is in a snit and she's calling the newspaper sexist!

Why has Justine Musk, the estranged wife of the CEO of Tesla Motors, spoken out about their divorce and his new fiancée? It might have something to do with money, and Elon Musk's lack thereof.

Is Facebook CEO Mark Zuckerberg hunting leakers? His internal memo about CFO Gideon Yu's departure got forwarded to bloggers. Perhaps he was hoping that would happen, and not just so his spin would get out.

Musk, apparently eager to give the magazine an exclusive and reassure buyers who must put down a sizeable $40,000 deposit for a car that they won't see until 2011 at the earliest, said that GE Capital was an investor:

Tesla Motors, the cash-poor electric-car startup which just unveiled a new sedan prototype, may have gotten money from General Electric. But it's really hoping to trick car buyers into investing on the sly.

Is Tesla Motors mad that Digg founder Kevin Rose spoiled the launch of its Model S sedan by leaking photos on Flickr? Yes and no, depending on who you ask at the ailing electric-car startup.

Tesla Motors, once Silicon Valley's hottest electric-car startup, has a host of real problems, like a shortage of cash and a paranoid CEO. How is its top flack spending her time? Taking "umbrage" with bloggers!

When Tesla Motors launched its all-electric Roadster sports car, celebrities lined up to order one — including Governor Arnold Schwarzenegger. Now we hear he's been trying to return it for months.

Enraged by leaks at his troubled Silicon Valley electric carmaker, CEO Elon Musk cooked up a sophisticated electronic scheme to catch the blabbers. It backfired hilariously on the brilliant entrepreneur, who's a bit blabby himself.

Sunny Huang, a California woman who goes by "Asian Beauty Lily" online, wants $3 million for the story of her "glamorous and loving relationship" with Elon Musk, the CEO of troubled electric automaker Tesla Motors.

What happened to Darryl Siry, the Tesla Motors marketing chief who left the electric-car startup abruptly last December? He's turned up as a cleantech analyst. And we've learned the real reason why he left.

Silicon Valley is the land of dreams. Here's Elon Musk's dream: His electric-car startup has hundreds of millions of dollars in government loans and a bright financial future. Too bad that's all in his head.

Tesla Motors, the best hope of Silicon Valley's nascent clean-transportation industry, is headed over a financial cliff. The only question is how many customers the electric sportscar maker will take for a ride.

In public, executives at Tesla Motors, Silicon Valley's highest-profile green-technology startup, are saying there's nothing wrong with their all-electric cars. In private, though, CEO Elon Musk has chastised employees to make vehicles that work.

Tesla Motors, once the best hope of Silicon Valley's nascent electric-car industry, is getting better known for manufacturing drama than vehicles. The company just saw its top marketer, Darryl Siry leave — allegedly after running his mouth about ex-employees.