The Egyptian pyramids remain one of history’s greatest engineering achievements. This video explores how ancient builders may have transported massive stone blocks, aligned structures with precision, ...

A landmark discovery on an ancient branch of the River Nile may have solved the mystery of how the pyramids in Egypt were built centuries ago. The now dried-out waterway, which once ran through Giza ...

Putting together a school meal isn't easy. "It is a puzzle essentially," said Lori Nelson of the Chef Ann Foundation, a nonprofit that promotes scratch cooking in schools. "When you think about the ...