The principle of inertia is a property of matter by which it continues in its existing state of rest or uniform motion in a straight line, unless that state is changed by an external force. We are ...

A subtle mistranslation of Isaac Newton’s first law of motion that flew under the radar for three centuries is giving new insight into what the pioneering natural philosopher was thinking when he laid ...

When Isaac Newton wrote down his now-famed laws of motion in 1687, he could have only hoped we'd be discussing them all these centuries later. Writing in Latin, Newton outlined three universal ...