(Reuters) - Gaming and gambling are among potential growth areas for Formula One as the sport's new owners seek to develop largely untapped digital markets, Liberty Media chief executive Greg Maffei said on Thursday.

NEW YORK, Sept 22 (Reuters) - U.N. Syria mediator Staffan de Mistura described a meeting of the International Syria Support Group on Thursday as "long, painful and disappointing," adding that he wants to believe that Russia and the United States are serious about brokering peace.

FRANKFURT/BERLIN (Reuters) - After 12 years chasing a comet across more 6 billion km of space, European scientists will end the historic Rosetta mission by crash landing the spacecraft on the surface of the dusty, icy body at the end of the month.

Sept 22 (Gracenote) - Scores from the U.S. PGA Tour Tour Championship at the par-70 course on Thursday in Atlanta, Georgia

Sept 22 (Gracenote) - Latest leaderboard in the first round from the European Tour European Open at the par-71 course on Thursday in Bad Griesbach

NEW YORK, Sept 22 (Reuters) - The United States and Russia failed to agree on how to revive a ceasefire in Syria on Thursday as U.S. Secretary of State John Kerry said Washington cannot be the only one trying to hold open the door to peace and urged Russia and the Syrian government to do their part.

LIBREVILLE, Sept 22 (Reuters) - Gabon's Constitutional Court said it would issue a ruling on Friday on an election that opposition leader Jean Ping said was rigged to give President Ali Bongo victory.

Sept 22 (Reuters) - Options exchange operator CBOE Holdings Inc is in talks to buy Bats Global Markets Inc , the No. 2 U.S. stock exchange operator by volume, Bloomberg reported, citing sources.

NEW YORK (Reuters) - A U.S. judge has again thrown out a $3 billion lawsuit by investors in two "feeder funds" that sent money to Bernard Madoff, one of the largest lawsuits tied to his Ponzi scheme, after her original dismissal had been overturned.