Ukraine's divisive opposition icon Yulia Tymoshenko completed an improbable return to politics Thursday by announcing plans to contest snap polls to replace the ousted pro-Russian president whose regime sent her to jail.

"I intend to run for president of Ukraine," the 53-year-old told reporters after gingerly walking into a press room with the help of a walking stick she uses due to chronic back pain.

The global launch of Samsung's latest smartphone has been upstaged by South Korean mobile network companies.

SK Telecom, South Korea's largest mobile carrier, said it will start selling the Galaxy S5 on Thursday, two weeks before the scheduled sales launch on April 11.

If you happen to spot celebrity stylist and designer Rachel Zoe out and about, do not worry. She's not judging you.

The woman responsible for dressing the likes of Jennifer Lawrence, Sofia Vergara and Jennifer Garner swears when she's "off the clock" so to speak, she's not a fashion cop.

When David Moyes strode into Old Trafford for the first time as Manchester United's new manager, with its long red tunnel leading to the pitch where so much football history has been made, he knew the job of replacing Alex Ferguson would be, as he now says, "tough." Few imagined it would be this tough.

Ferguson, as well as Moyes, his underperforming millionaire players and club owners who spent too little to keep the team topped up with sufficient fresh talent, all share the blame for United's worst ever season in the Premier League. The championship-winning squad Ferguson left for Moyes after 26 years in charge at United has come to resemble a sweatshop-made toy: The packaging seemed OK, but it quickly fell apart after Moyes started to play with it.

Three-time Serie A champion Roma plans to build a new privately financed stadium inspired by the Colosseum on the outskirts of the Italian capital.

Labeled "Stadio della Roma" for now — until naming rights are awarded — the facility will seat 52,500 spectators and be able to expand to 60,000 for major matches.

The snowpack atop mountain peaks in California and Colorado has a new set of eyes watching from high above to better gauge the amount of water that will rumble down rivers and streams each spring as runoff.

In a new mission, NASA fixed a lumbering twin-engine plane with high-tech equipment to make regular snow surveys, starting last weekend in drought-stricken California before the weather front expected to bring snow to the Sierra this week. At an altitude of up to 20,000 feet, the so-called Airborne Snow Observatory measures snowpack's depth and water content with precision.

Bayern Munich set a new milestone in its dominance of German football on Tuesday, beating Hertha Berlin 3-1 to wrap up the quickest Bundesliga title in 51 years of the league.

Goals from Toni Kroos, Mario Goetze and Franck Ribery sealed the unbeaten defending champions' 24th German title with seven games to spare, bettering the mark set in last year's record-breaking campaign by one game.

Four-time world champions Aliona Savchenko and Robin Szolkowy of Germany finished first after the pairs short program at World Figure Skating Championships on Wednesday.

Two-time Olympic bronze medalists Savchenko and Szolkowy received 79.02 points to finish ahead of world bronze medalists Meagan Duhamel and Eric Radford of Canada, who had 77.01 points.

Dirk Nowitzki scored seven of his 32 points in overtime to lead the Dallas Mavericks to a 128-119 victory over the Oklahoma City Thunder on Tuesday.

Nowitzki also had 10 rebounds and six assists. In Dallas' loss to Brooklyn on Sunday, he was 2 for 12 from the field in his worst shooting performance of the season.

Formula One heads to its second race of the season this weekend in Malaysia with the reigning champion team threatening to withdraw from the sport, the result of the first race still under protest, and race promoters in revolt over the sound of the cars.

The off-track strife has obscured the sporting promise provided by the season opener in Australia.