President Barack Obama vowed to push for police officer safety after a Texas sheriff's deputy was gunned down from behind and shot multiple times at close range.
Barack Obama arrives in Alaska for a trip aimed at highlighting the pace of climate change. But not everyone in this oil-rich state is welcoming the US president with open arms.
Taylor Swift was crowned queen of the MTV Video Music Awards as rapper Kanye West announced an improbable run for president in 2020 and Miley Cyrus released her new album for free.
Hillary Clinton reiterated her call for gun safety reforms, saying this week's murder of Virginia journalists during an on-air broadcast shows that "something is deeply wrong" in America.
Former president George W. Bush, who faced fierce criticism for the botched government response to Hurricane Katrina, returned to New Orleans to mark the storm's 10th anniversary.
Five months before early primary voting, America's presidential race has devolved into mudslinging, with Republican Donald Trump leading the charge to the bottom by lambasting his many rivals.
Facebook began testing a Messenger app virtual assistant that the leading social network said goes beyond artificial intelligence programs already on the market.
The Los Angeles city council is reviewing a $4.1 billion bid proposal for the 2024 Summer Olympics that backers say could produce a surplus of $161 million.