Black holes are so strange that physicists have long wondered if they are quite what they seem. Now we are set to find out if ...

A close read of some of Mr. Kirk’s most viral exchanges shows an approach that was polished and skillful — if not always fair.

In January I wrote a piece titled “ 5 Physics Equations Everyone Should Know .” Lots of you weighed in with your own ...

Circle is already testing a new blockchain system called Arc. It’s made for banks, asset managers, and other institutions. With this system, businesses could use stablecoins to settle foreign exchange ...

Centripetal force is the real inward pull that keeps objects moving in circles, while centrifugal force is the apparent outward push we only feel in rotation.