US provides weapons, intelligence and aerial refueling to the Saudis supporting Yemen's government against rebels

The study was published in the journal Royal Society Open Science

Despite hundreds of police officers and federal agents working the case, authorities appeared to have few leads

32 years old Prince Mohammed makes his first visit to the White House

UN rights chief Zeid Ra'ad Al Hussein describes findings as alarming and outrageous

Recordings of Nix emerges in which he boasts about company's role in Donald Trump's presidential campaign

Zuckerberg took an idea hatched in his Harvard dormitory and created a network connecting more than two billion people

Persons with a mental illness, history of violence or convicts of criminal offenses are prohibited from owning a gun

Moscow denies any involvement in the attack, which has drawn strong condemnation from Britain's allies in NATO and EU

Collins set Zuckerberg a deadline of March 26 to reply