What exactly is gravity, and how does it work? From Newton’s early groundbreaking discoveries to Einstein’s revolutionary ...

Isaac Newton's personal copy of the 1717 second edition of Opticks, long thought lost, ... especially one which came to light—quite literally in this case—in the way this one did." ...

In 1666, Sir Isaac Newton (1642-1727) conducted a series of experiments that showed that "white" light is actually a combination of colors mixed together. In 1704, Newton published his findings in ...

Twenty-odd years before Newton stated the three laws of motion, he conducted a simple, breakthrough prism experiment. He poked a hole through his window shade, allowing a single beam of light to ...

The last census of Newton's Principia, published in 1953, identified 189 copies. The new Caltech survey counts 386 copies, including 91 auctioned volumes and versions found in libraries and ...

A new exhibit at the New York Public Library traces the genius and impact of Isaac Newton, the 17th-century scientist who become a lasting icon in society.

Young Newton. Newton was born at the manor on Christmas Day, 1642, and spent the first few years of his life at the house. Decades later, in 1665, Newton returned to Woolsthorpe when the ...