Five days after its biggest win at Camp Nou in more than a decade, Real Madrid hosts Barcelona again Saturday in the Spanish league with its decisive Champions League match at Manchester United looming.

Madrid's defense did a masterful job of neutralizing Barcelona forward Lionel Messi on Tuesday, and its counterattack speared by Cristiano Ronaldo did the rest as the Portugal forward scored twice in the 3-1 win to put Madrid into the Copa del Rey final.

A match-fixing investigation in Lebanon produced no evidence that a national team defender helped Qatar win a 2014 World Cup qualifier, the Asian Football Confederation said Thursday.

Attempting to control widespread speculation on the match, the Asian governing body said it studied a summary report from an investigation into match-fixing and bribery ordered by the Lebanon Football Association.

If dresses could talk, this dark navy, figure-hugging velvet number would have the best stories to tell.

Princess Diana wore it on state visits, at royal banquets, and most memorably to a gala dinner at the White House in 1985, when she took to the dance floor with Hollywood star John Travolta.

Jimmy Buchheim is behaving oddly.

On the floor of the world's largest cellphone trade show in Barcelona, Spain, he's looking at the screen of his iPod Touch, taking a few steps, and then looking again. Now and then he backtracks or turns, and looks again. Slowly, he confines his movements to a smaller and smaller area. Then he drops to his knees, and checks the screen again. He scrabbles forward.

On a sunny day at a picnic table in Silicon Valley, Eric Migicovsky glanced down at his wristwatch. He wasn't checking the time, he was checking his email. Glancing up, he grinned. The message was from yet another journalist.

In this corner of a world obsessed with the latest tech gadget, Migicovsky is this week's hotshot as his start-up company rolls out its new, high-tech Pebble smart watches. The $150, postage stamp-sized computer on a band is tethered wirelessly to a wearer's Android or iPhone.

There's a new spin on supermassive black holes: They're incredibly fast, astronomers say.

It's long been suspected that gigantic black holes lurking in the heart of galaxies rotate faster and grow larger as they feast on gas, dust, stars and matter. But there hasn't been a reliable measurement of the spin rate of a black hole until now.

Researchers steering a remote-controlled submarine around the world's deepest known hydrothermal vents have collected numerous samples from sunless depths of the Caribbean Sea where blazing hot, mineral-rich fluid gushes from volcanic chimneys that look like gnarled tree stumps.

Jon Copley, chief scientist for the expedition of Britain's National Oceanography Center, said Wednesday he believes that laboratory analysis in the coming months will reveal some new life forms that have evolved in the pitch-black vent areas of the Cayman Trough, more than 3 miles (5 kilometers) below the sea's surface between the Cayman Islands and Jamaica.

The New York Knicks overcame Golden State guard Stephen Curry's NBA season-high 54 points to beat the Warriors 109-105 on Wednesday.

Carmelo Anthony scored 35 points and J.R. Smith hit the tiebreaking shot with 1:10 left to help give the Knicks the win.

Rafael Nadal's return from injury gathered pace Wednesday as the former world No. 1 downed Argentina's Martin Alund 6-0, 6-4 to reach the Mexican Open quarterfinals.

The second-seeded Nadal made short work of the first set before fending off a more determined Alund in the second to finish the match in just over 85 minutes Alund at the clay court tournament.

Atletico Madrid lined up a Copa del Rey final against city rivals Real Madrid after drawing 2-2 with a Sevilla side that finished with nine men on Wednesday.

First-half goals by Diego Costa and Radamel Falcao in the semifinal, second leg match secured a 4-3 victory on aggregate, following a 2-1 home win last month.