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A Marquette University scientist slogged through more than 200 rice varieties to find the most promising few; he then subjected those to real Wisconsin weather on rooftop paddies outside his lab.

Many fruits and vegetables must be harvested by hand because it's hard and costly to design machines that won't damage them. But as farm labor dwindles, there's a new push to develop more farm robots.

Actor Martin Milner, whose work as Officer Pete Malloy introduced generations of Americans to a tough and honorable policeman on Adam-12, died on Sunday.

New research finds impressive academic gains from the city's vaunted preschool program now that its first graduates are beginning high school.

The migrant crisis has placed stress on infrastructure in Greece, Macedonia and Hungary. It has also highlighted divisions between European Union countries.

Congress has to vote soon on Iran's deal to limit its nuclear program in exchange for sanctions relief. But it isn't business as usual on Capitol Hill: For starters, a "yes" vote actually means "no."

Gray suffered a fatal spine injury while in custody of police. His death sparked days of peaceful protests and a night of riots. The deal still has to be approved by the Board of Estimates.

The former leader of the polling group that calls itself a "fact tank" had been battling a form of leukemia that his son says was first diagnosed in 2009.

People in the American Southwest and Mexican Northwest were drinking cacao and tea-like yaupon in places where neither grew. That suggests an extensive trade network to deliver a caffeine fix.

Walter Palmer had been out of the public eye since killing the lion in Zimbabwe in July. He returned to his dental practice in Minnesota on Tuesday.