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.
Nineteen people were injured Sunday when gunmen opened fire at a Mother's Day parade in New Orleans in the US state of Louisiana.
British Prime Minister David Cameron will visit Boston on Monday to learn more about the bombings there after a meeting with US President Barack Obama.
The number of new guns legally sold in Brazil sextupled in the last eight years, growing from 5,161 in 2004 to record 31,500 in 2012.
Offers of help are pouring in from around the world for three Cleveland women who were kidnapped and held in captivity for a decade.
Gunmen opened fire on dozens of people marching in a Mother's Day neighborhood parade in New Orleans on Sunday, wounding at least 19, including two children, police said.
The White House offices in the West Wing were evacuated briefly on Saturday after smoke was detected in the building, but staff were allowed to return and there was no indication of danger to President Barack Obama, CNN said.
The New York skyline stretches into the horizon as seen from the One World Trade Center in New York May 10, 2013.
The United States on Friday imposed sanctions on a Taiwan's entity and individual for their roles in the nuclear and ballistic missile programs of the DPRK.
Fact sheets for 20 US states highlight the US demographic and economic impact of immigrant, Asian and Latino communities in each state.
A global cyber crime ring stole $45 million from two Middle Eastern banks by hacking into credit card processing firms and withdrawing money from ATMs in 27 countries.
Water on the Moon and the Earth may originally come from the same place, according to a new analysis of moon rocks.
The Obama administration is sending its special representative on Democratic People's Republic of Korea policy to the Republic of Korea, China and Japan next week.