UC Santa Barbara students attend a candlelight vigil following Friday's series of drive-by shootings that left 7 people dead in the Isla Vista section of Santa Barbara May 24, 2014.
The US Supreme Court on Monday ruled that the police can take DNA samples from people under arrest without a warrant.
The first international treaty regulating the global conventional weapons commerce opened for signature at the United Nations Headquarters.
Some 24 Chinese coaches and referees graduated from China's First American Arena Football Coach/Referee One Week Training Camp on Friday.
Exit from quantitative easing in the United States will not be a big problem in terms of theory, a Nobel laureate said Monday.
A portion of a bridge in central Ontario, Canada collapsed Sunday, sending several cars from a cargo train into the Wahnapitae river below.
The US Federal Bureau of Investigation is stepping up its efforts to get broader authority to put "wiretaps" on the Internet to catch criminals and terrorists.
Three storm chasers were among the 10 people killed by tornadoes that rampaged through central Oklahoma on Friday.
US lawmakers on a mission to Russia said that closer cooperation between Washington and Moscow might have helped to thwart the Boston blasts.
Nine people were killed in tornadoes that swept through central Oklahoma on Friday, part of a storm system that caused widespread flooding in Oklahoma City and its suburbs.
The US government on Friday slapped sanctions on Iran's petrochemical industry as part of its efforts to intensify the squeeze on Tehran's economy.
At least four firefighters were killed while battling a hotel fire in the fourth largest US city of Houston.
About 300 pregnant women participated in "Healthy Maternity Week" in Lima.