The Vermont Senator and Texas senator are closing in on the lead that their competitors - Clinton and Trump hold.
Ferrari team principal Maurizio Arrivabene welcomed back the Kimi Raikkonen of old on Sunday.
The struggling Caterham and Marussia Formula One teams will both miss next week's U.S. Grand Prix in Austin, Texas, the sport's commercial supremo Bernie Ecclestone told Reuters on Saturday.
Republican presidential front-runner Donald Trump on Sunday suffered a double blow as he lost badly to rivals Ted Cruz and Marco Rubio in polls in the US capital and Wyoming, an indication that the fight for securing the party's nomination was hotting up.
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'A vote for Hillary means a vote for endless wars of trying to overthrow governments and rebuilding foreign countries.' 'A vote for Bernie Sanders means an end to these interventionist wars, and instead spending our money and precious resources rebuilding our own country,' Congresswoman Tulsi Gabbard, the only Hindu-American in the United States Congress, tells Aziz Haniffa/Rediff.com
Obama's endorsement of Clinton came moments after he met Senator Sanders of Vermont at the White House.
The Grammy award winner was suffering from Rheumatoid Arthritis, Acute Ulcerative Colitis and Pneumonia.
The Russian Grand Prix could become a night race as early as 2017, according to Formula One supremo Bernie Ecclestone and organisers.
Analysts believe the main reason for Trump's popularity surge is that he now enjoys wider support from Republican voters after his decisive win in Indiana earlier this month.
Launching a frontal attack on Donald Trump, Democratic presidential frontrunner Hillary Clinton has dubbed the Republican presumptive nominee as a "loose cannon" on which the country cannot take a risk.
'There are millions of Americans who are doing their best to undo the damage that he (Trump) is doing to the world,' Michael Moore tells Indira Kannan in Toronto.
Democrat Tulsi Gabbard, the first Hindu lawmaker in the US Congress, met president-elect Donald Trump amidst speculation that she is being considered to be made the American Ambassador to the United Nations.
Authorities and organisers of the Kuala Lumpur Grand Prix are considering halting the race after the contract ends in 2018.
Terror shook the world for the second time in less than a week on Sunday, with a suicide bombing that killed at least 65 at a park in Lahore.
An American lawmaker has said that Vice President Joe Biden will run for presidency, even as the White House remained tight lipped about it except for saying that an announcement on the decision is coming soon.
The Caterham Formula One team will race in next week's Abu Dhabi season-ender despite still falling short of a targeted 2.35 million pounds ($3.7 million) to get them there, an administrator said.
He will also order the state department to start the process of planning and building a new US embassy in Jerusalem, but White House officials said that process would take at least three years.
Formula One Chief Executive Bernie Ecclestone has been indicted in Germany in a case relating to the sale of a stake in the motor racing business eight years ago, a spokesman for a Munich court said on Wednesday.
The former secretary of state posted strong wins over Sanders in the island territory of Puerto Rico and the US Virgin Islands.
Formula One will revert to its 2015 qualifying format at next week's Chinese Grand Prix in Shanghai and for the remainder of the season, the governing FIA said in a statement on Thursday after backing down in the face of opposition from teams.
Dutch rookie Max Verstappen, signed controversially as a 16-year-old by Toro Rosso, has swept a hat-trick of awards after confounding his critics in an impressive debut Formula One season.
Formula One needs to go through a 'real revolution' by 2017 with cars making the sort of noise that heavy metal rock fans would appreciate, according to Ferrari boss Maurizio Arrivabene.
'If there were no Ahmedabad programme -- no flashy town hall event in a huge cricket stadium with thousands cheering him on -- then Trump may well have decided not to go to India.'
Win in Brazil on Sunday, win the Formula One title: Nico Rosberg's task sounds simple enough but is a lot harder to achieve.
Formula One teams and stakeholders failed to agree a fix for the sport's failed new qualifying format at the Bahrain Grand Prix on Sunday and agreed instead to go away and consider a compromise by next Thursday.
Formula One champions Mercedes can rack up their eighth successive victory on Sunday but even if they do, a winning streak must end for either Lewis Hamilton or Nico Rosberg in Bahrain. Rosberg is chasing his fifth win in a row after starting the season triumphantly in Australia to follow the three victories he racked up at the end of 2015. Hamilton, the triple world champion who finds himself behind his German team mate in the standings for the first time since 2014, is on for a hat-trick after winning in Bahrain for the past two years. The Briton is the favourite at a circuit that has yet to witness a Rosberg victory but Ferrari, who roared into the lead at the start in Melbourne with Sebastian Vettel followed by Kimi Raikkonen, also fancy their chances.
Australia Davis Cup captain Pat Rafter named three teenagers in his squad on Tuesday for their away tie against France, their first World Group appearance since 2007.
Former FIA president Max Mosley has warned that Formula One risks serious difficulties unless it changes direction and cuts costs.
'I appreciate the quest for safety but this is Formula One and the way it is now is perfectly fine' 'I am sad for the sport... it doesn't look right from outside when in one week we change the qualifying format three times'
Jenson Button hit back at Niki Lauda on Saturday after the Austrian Formula One great suggested the driver had told him he wanted to stay at McLaren next year and any uncertainty was about money.
Hours before the party's convention, Chairwoman of the Democratic party Debbie Wasserman Schultz resigned.
Force India co-owner Vijay Mallya has rejected speculation about his Formula One team's finances, saying they will be racing for years to come.
World No 4 Petra Kvitova sealed the Fed Cup title for the Czech Republic by beating Angelique Kerber 7-6, 4-6, 6-4 to give her country an unbeatable 3-0 lead over Germany in the final on Sunday.
Formula One supremo Bernie Ecclestone has proposed a controversial world championship for women drivers as part of Grand Prix weekends.
Marussia's hopes of rising from the dead to race in next month's Formula One season-opener in Australia have suffered a setback after rivals rejected a proposal to let them compete with last year's car.
The British Grand Prix is set for a record 150,000-strong crowd in July with home hero Lewis Hamilton an even bigger draw after recent setbacks, Silverstone circuit managing director Patrick Allen said on Thursday.
Do we not understand that risk and return go hand-in-hand, or do we, in our rush to get rich, simply choose to ignore risk, wonders Ramabhadran S Thirumalai.
Formula One is as safe as it has ever been but danger will always be part of the sport.
He is widely admired for maintaining an almost military like discipline and is not known to smoke or drink