President Hassan Rouhani is among six people allowed to run, but the former firebrand president is not.
Further clashes have erupted between Venezuelan riot police and opponents of President Maduro.
He was the lead singer of 70s soul band Main Ingredient, and father to the Oscar-winning actor.
Investigation is designed to stop countries from exporting artificially cheap steel to the US.
Juicero ridiculed after it emerges sachets of ingredients can be squeezed just as easily by hand.
He was delivering semen from Bangkok to a fertility clinic in Laos, say Thai authorities.
Scientists have now conducted drift modelling of a real Boeing 777 wing part, instead of a replica.
Eman Abd El Aty was unable to leave her home for 25 years and weighed 500kg.
China temporarily put cruise missile-capable bombers "on high alert" this week as the United States sees evidence the Chinese military was preparing to respond to a potential situation in North Korea, a US defense official told CNN.
Just days before French voters go to the polls, gunshots rang out on Thursday in Paris' iconic Champs-Elysees. It was another jarring reminder to French voters of the high stakes and confusing choices they face in a pivotal election -- one whose outcome has become impossible to predict.
An off-duty policewoman inadvertently flew to Taiwan carrying a gun, undetected by airport security.
Some Model X and Model S vehicles are affected, but there have been no reports of accidents.
YouTube is launching a new campaign to tackle internet safety and issues around fake news.
The Wikileaks founder has been granted asylum by Ecuador in London so is beyond the reach of the US.
Smart bus stops and virtual hospitals are all part of Singapore's smart plans but what do citizens think?
Om Emad is just one of over three million Yemenis who have been displaced from their homes since war broke out.
Killer whale Takara was already pregnant when the end of the breeding programme was announced.
President Hollande says he is convinced the killing of a policeman was terrorist-related.
American steel stocks soared Thursday after Trump's Commerce Secretary Wilbur Ross said that the White House planned to investigate claims that Chinese companies are dumping steel on the U.S. market.
Stem subjects - science, technology, engineering, maths - have an image problem. But not in Russia.