SANAA (Reuters) - A U.S. military instructor helping train Yemeni coastguards was shot and seriously wounded in an attack by unidentified assailants in the Red Sea city of Hudaida on Sunday, a Yemeni security source said

After 50 years of searching, physicists have spotted the fingerprint of radioactive plutonium, revealing the secrets of this complex molecule behind nuclear weapons.

One of the worst quakes to hit northeast Italy in hundreds of years rattled the region around Bologna early Sunday, killing at least four people, collapsing factories and sending residents running out into the streets, emergency services said.

House Speaker John Boehner, R-Ohio, stood by his call insisting that any increase in the debt limit should be offset by greater cuts in spending and tax reform before the end of the year, saying that working toward an agreement now would improve the economy.

She’s brought the laughs every weekend since 2005, but Kristen Wiig has decided that it’s time to move on from her spot on “Saturday Night Live”. The 38-year-old comedic actress was doted with a much-deserved farewell at the end of the the NBC sketch comedy show’s 37th season finale last night (May 19). During the sendoff segment, the episode’s host, rocker Mick Jagger , assumed the role of a principal at a high school graduation, saying, “Many of you are moving onto college, but I’d like to take a moment to say goodbye to one particular student who is leaving this summer… to become a nun.” With Miss Wiig clad in a cap and gown, the seven-year SNL vet was called on to share a dance with Mick before taking turns with co-stars and executive producer Lorne Michael with the Rolling Stones hit “She’s a Rainbow” playing in the background.

Tropical Storm Alberto formed off the South Carolina coast on Saturday, bringing an early start to the Atlantic hurricane season, forecasters at the U.S.

Italy was in shock on Saturday after an unexplained bombing at a school killed a 16-year-old girl and left five other teens gravely injured, sparking emotional protests across the country.

A day after arrests were announced in the shooting deaths of two international graduate students near the University of Southern California, students on campus say they’re relieved but that the crime hasn’t changed their day-to-day behavior.

The cost of 30 manhole covers that got sucked away: $5,800.

Around 500 demonstrators gathered outside the home of Chicago Mayor Rahm Emanuel on Saturday to protest the recent closure of mental health clinics as part of a series of rallies and marches timed to coincide with a NATO summit here. But the protest was much smaller than one attended by an estimated 2,500 people at a downtown plaza on Friday