Top-flight sport made an emotional return to Boston on Wednesday as the NHL's Bruins paid tribute to the heroes and victims of the twin bombing that killed three in the US city.
The deadly explosives detonated at the Boston Marathon were homemade devices full of nails and metal fragments, possibly packed into kitchen pressure cookers.
The Pentagon has requested $220.3 million in 2014 to bolster Israel's "Iron Dome" missile defense system despite broader cuts to US military spending, according to budget documents.
Orbital Sciences, one of two private US firms chosen by NASA to shuttle cargo to the International Space Station, is preparing for the first launch of its Antares rocket Wednesday.
US hospitals face a disincentive to improve care because they make drastically more money when surgery goes wrong than when a patient is discharged with no complications.
US Muslims are watching closely as the probe into the Boston bombings unfolds, fearing a backlash like after 9/11 if an Islamist link is confirmed to the deadly attack.
Pakistani troops scrambled Wednesday to aid the remote victims of an earthquake centred in nearby Iran, as the United States offered assistance and a strong aftershock jolted the region.
Gold prices recovered slightly Tuesday after suffering their heaviest slump in 30 years triggered by weak Chinese growth data and reports Cyprus was planning to sell part of its reserves.
A bipartisan group of US lawmakers was set to unveil this week a major immigration reform proposal that could, if passed, provide a path to citizenship for millions of people in the country illigally.
"Family Guy" creator Seth MacFarlane condemned Tuesday a doctored online clip of the show depicting its star using a cellphone to trigger explosions at the Boston marathon.
Japan's SoftBank said Tuesday it still expects its bid to acquire Sprint Nextel will succeed on schedule in July, despite a higher counter-offer from a US firm.
The US Supreme Court heard the most high-profile genetics case in history on Monday, as justices considered whether private firms should be allowed to patent human genes linked to breast cancer.
The family of a 15-year-old US girl who killed herself after she was sexually assaulted while drunk are suing three teenage boys accused of the attack and sharing a photo of it at their school.