Skywatchers from China to Texas are in for a rare celestial treat today when the moon blots out most of the sun to create dazzling "ring of fire" solar eclipse.

When the moon blocks the sun in a rare "ring of fire" solar eclipse Sunday (May 20), six astronauts living in space just might see the shadow on Earth created by the event from their home in space, NASA officials say.

SEOUL (Reuters) - Samsung Electronics' mobile division chief JK Shin said on Sunday the South Korean technology giant was still seeking to resolve differences in its international patent war with Apple Inc.. "There is still a big gap in the patent war with Apple but we still have several negotiation options including cross-licensing," Shin told reporters at Seoul airport shortly before his departure for the United States. Asked about the prospects for Samsung's memory chip business, Shin said the 4G chip shortage was expected to continue until early in the fourth quarter of this year. ...

For Facebook founder and CEO Mark Zuckerberg, it was quite a week — from birthday, to IPO, to I DO.

Twenty-two states and the District of Columbia are backing Montana in its fight to prevent the U.S. Supreme Court's 2010 Citizens United decision from being used to strike down state laws restricting corporate campaign spending.

(Reuters) - Facebook co-founder and CEO Mark Zuckerberg wed longtime girlfriend Priscilla Chan on Saturday, announcing the nuptials through a status update on the social networking site. The 28-year-old billionaire's wedding took place a day after Facebook's initial public offering on the Nasdaq stock exchange on Friday. More than 280,000 people "liked" Zuckerberg's status change, which was accompanied by a photo of the smiling couple in wedding attire in a small, verdant outdoor setting with a string of lights behind them. ...

A day after the historic Facebook IPO, founder and CEO Mark Zuckerberg updated his status Saturday to "married."

Facebook founder and CEO Mark Zuckerberg updated his status to "married" on Saturday.

(Reuters) - Google said on Saturday that Chinese authorities have approved its $12.5 billion purchase of Motorola Mobility Holdings, the last regulatory hurdle to a deal that would allow the world's No. 1 Internet search engine to develop its own line of smart phones. Google, which will be the newest entrant to the handset market, announced plans for the acquisition last year in a bid to secure Motorola's valuable patents and pave the way for a pairing of Google's Android mobile software and Motorola's handset business. U.S. ...

A new private supply ship for the International Space Station remained stuck on the ground Saturday after rocket engine trouble led to a last-second abort of the historic flight.

The western United States and eastern Asia will be treated this weekend to a rare solar spectacle when the moon slides across the sun, creating a "ring of fire."

Authorities in China have approved Google Inc.'s bid to buy phone maker Motorola Mobility, clearing the way for the $12.5 billion deal to close early next week.

WASHINGTON (Reuters) - Europe's second largest lender Russia's Sberbank will see some certainty over the planned privatization sale after the new Russian government's lineup is announced on May 21, CEO German Gref said on Saturday. Sberbank initially planned the sale of the 7.6 percent stake, part of Russia's ambitious privatization program, last September but postponed the deal after global risk aversion wiped around $1.5 billion off the stake's value. "It seems to me that, yes, such certainty should emerge (after the cabinet announcement)," Gref said. ...

(Reuters) - Google said on Saturday that Chinese authorities have approved its $12.5 billion purchase of Motorola Mobility Holdings, the last regulatory hurdle to a deal that would allow the world's No. 1 Internet search engine to develop its own line of smart phones. Google, which will be the newest entrant to the handset market, announced plans for the acquisition last year in a bid to secure Motorola's valuable patents and pave the way for a pairing of Google's Android mobile software and Motorola's handset business. U.S. ...

Confronting an economic crisis that threatens them all, President Barack Obama and leaders of other world powers on Saturday declared that their governments must both spark growth and cut the debt that has crippled the European continent and put investors worldwide on edge.

A Malaysian researcher known for finding new amphibian species said Friday his team had discovered at least one new species of frog in studies he said highlight Borneo's rich biodiversity.

President Barack Obama says the big trading loss at JPMorgan Chase shows the need to finally put in place banking rules he signed into law two years ago. He also is calling on Congress to stop trying to weaken the regulations.

President Barack Obama on Saturday called on the U.S. Congress to back his efforts for tough new financial industry oversight, saying a $2 billion trading loss at JPMorgan underscored the need for such regulation. "We've got to finish the job of implementing this reform and putting these rules in place," Obama said in a weekly radio address that accused some on Wall Street of causing the 2007-2009 economic crisis because they "treated our financial system like a casino. ...

People in the western United States, Pacific and parts of Asia will have the chance to see a partial solar eclipse on Sunday (May 20). While it may be tempting to brush off warnings against looking up at this eclipse bare-eyed, don't: The light of an eclipse really can damage your eyes — though warnings of total blindness are likely overstated.

NEW YORK (Reuters) - Ailing law firm Dewey & LeBoeuf is considering a bankruptcy filing as new debtholders take a more aggressive track, shifting away from earlier attempts at an out-of-court liquidation, a person familiar with the matter said on Friday. The majority of Dewey's partners have quit as a result of concerns about compensation, and $225 million in bank loans and bond debt. ...

SAN FRANCISCO (Reuters) - The historic initial public offering of Facebook Inc did not go as planned on Friday, as the social networking company's sky-high valuation combined with trading glitches left the stock languishing near its offering price at the market close. Facebook shares began trading late Friday morning and opened 11 percent above the $38 offering price, but after peaking at about $45 slid rapidly at the end of the day to close at $38.23. The IPO was the third-largest in U.S. history and valued eight-year-old Facebook at $104 billion. ...

NEW YORK (Reuters) - Hedge funds and other money managers liquidated more than $2 billion in gold futures over a week, trade data on Friday showed, before a forceful rebound in the precious metal potentially tripped up some of them. The majority of fund managers also appear to have bet wrongly against wheat, as suggested by the data from the Commodity Futures Trading Commission which showed a net "short" or bearish position against the grain which finished this week with its highest weekly gain in 16 years. "It's still early to say if this rebound in wheat and gold will hold. ...

The origin of a rare tyrannosaur skeleton, now sitting mounted and prepared at an auction house in New York City, has been questioned, with some saying the specimen is from Mongolia; if so, that would mean it entered the United States illegally.

WASHINGTON (Reuters) - Some Motorola Mobility smartphones infringe on a Microsoft patent and will be barred from importation to the United States, a U.S. trade panel said on Friday. The order by the U.S. International Trade Commission has been sent to President Barack Obama, who has 60 days to consider whether to overturn it for policy reasons. The legal fight at the ITC is one of dozens globally between various smartphone makers. Google's Android system has become the top-selling smartphone operating system, ahead of mobile systems by Apple, Microsoft, Research in Motion and others. ...

(Reuters) - Citigroup Inc and its Chief Executive Vikram Pandit on Friday won a dismissal of New York real estate developer Sheldon Solow's lawsuit accusing them of securities fraud for hiding the bank's risks during the 2008 financial crisis. U.S. District Judge Robert Sweet in Manhattan said Solow failed to show that the defendants had materially misled him about Citigroup's liquidity and capitalization, or that his stock losses were caused when the bank's risks were realized. Sweet had in November dismissed an earlier version of Solow's complaint, but gave the plaintiff a chance to replead. ...

NEW YORK (Reuters) - Normally a big decline would set up Wall Street for a technical rebound. But that may not be the case next week, even after the market posted its worst weekly loss for the year and the S&P fell for six straight sessions. With the corporate earnings season drawing to an end and recent U.S. economic data raising doubts about the pace of growth, the S&P 500, which is down 7.3 percent so far in May, could decline further next week as concerns about the financial health of Europe persist. ...

(Reuters) - Chesapeake Energy Corp , under growing pressure from shareholders to improve corporate governance, reduced the compensation for its outside directors by 20 percent and eliminated their use of its aircraft for personal travel, the company said on Friday. Chesapeake and its board have come under fire in recent weeks after Reuters reported, among other things, that Chesapeake CEO Aubrey McClendon had taken out more than $1 billion in previously undisclosed loans using his interest in company wells. ...

DETROIT (Reuters) - General Motors Co will not advertise in next year's Super Bowl because it is too expensive, the top marketing executive for the U.S. automaker said three days after the company announced it was dropping paid ads on Facebook Inc. The 2013 Super Bowl will be broadcast by CBS Corp, which is selling 30-second ads for as much as $4 million. Spots on NBC's broadcast of this year's National Football League championship game, the most heavily watched annual event on U.S. television, cost about $3.5 million per 30-second spot. NBC is majority-owned by Comcast Corp. ...

NEW YORK (Reuters) - JPMorgan Chase & Co , under scrutiny for its ties to collapsed commodities firm MF Global, will return $168 million to the estate of MF's broker-dealer, the estate's trustee announced on Friday. James Giddens, tasked with winding down the estate and recovering as much money as possible for its trader clients who lost money when the firm went bust, said JPMorgan will return "excess collateral" that was held in its estate when the bankruptcy began. ...

SAN FRANCISCO (Reuters) - The historic initial public offering of Facebook Inc did not go as planned on Friday, as the social networking company's sky-high valuation combined with trading glitches left the stock languishing near its offering price at the market close. Facebook shares, which opened up 11 percent, closed at $38.23 after a nail-biting last half hour of trading when the shares dipped to their $38 IPO price. Most investors had predicted a first-day pop. More than 576 million shares changed hands, setting a trading volume record for U.S. market debuts. ...

NEW YORK (Reuters) - Stocks fell on Friday after a sloppy debut by Facebook Inc spoiled hopes that a spectacular open for the most-anticipated stock sale in years would brighten the mood in what has been a gloomy month for equity markets. Shares of Facebook, the social networking giant, were volatile in the busiest day ever for a trading debut. After early gains of more than 10 percent, Facebook shares fell back to the $38 issue price, ending up just 0.6 percent at $38.23. It was the Nasdaq's most actively traded stock, with more than 566 million shares traded. ...

(Reuters) - JPMorgan Chase & Co's decision to radically change the way risk was measured in its Chief Investment Office is likely to dog the bank in the developing crisis over the big trading losses it has suffered. The move, which allowed the bank to disguise the level of risk that the CIO was taking in its trading, could become a major focal point of investigations by the U.S. Securities and Exchange Commission and the FBI, former regulators said. It also will likely become part of investor cases in lawsuits against the bank and its executives. ...

BUENOS AIRES (Reuters) - Spain's Repsol has canceled its contract to supply Argentina with liquefied natural gas (LNG), just weeks after the country seized control of the energy company's majority stake in YPF , a document obtained by Reuters on Friday showed. Argentina relies on LNG imports to meet between 20 percent and 30 percent of domestic natural gas consumption. Repsol was to supply 10 cargoes to Argentina this year out of 80 from all suppliers to help meet peak demand from June to September. ...

NEW YORK (Reuters) - It was during a quiet afternoon in the sixth week of the insider-trading trial of hedge fund billionaire Raj Rajaratnam that prosecutor Reed Brodsky sprang one of those rare surprises usually seen only in the movie version of a courtroom drama. Brodsky, a federal prosecutor since 2004, seemed to catch defense lawyers and witness Richard Schutte off guard with a blistering cross-examination in the 2011 trial. The former Rajaratnam right-hand man was forced to admit that the biggest investor in a new hedge fund he launched was none other than the Galleon founder. ...

MADRID (Reuters) - Spanish banks' bad loans rose in March to their highest in 18 years, underscoring the problems facing the government as it drafts in independent auditors in an attempt to reassure investors it can clean up the sector. The Bank of Spain said bad loans rose to 8.37 percent of banks' outstanding loans, the highest since August 1994 and up from 8.3 percent in February, which was also revised higher. The data was released before Spain names auditors on Monday to assess how bad the losses are likely to get, and how much cash banks will need to rebuild their balance sheets. ...

BRUSSELS/LONDON (Reuters) - European officials are working on contingency plans in case Greece bombs out of the euro zone, the EU's trade commissioner said on Friday, as European share prices tumbled and Germany warned of continuing financial turmoil. German Finance Minister Wolfgang Schaeuble, one of Greece's harsher critics, said market unrest fuelled by the euro zone debt crisis could last another year or two. "Regarding the crisis of confidence in the euro ... in 12 to 24 months we will see a calming of the financial markets," he said. ...