When an object moves extremely fast—close to the speed of light—certain basic assumptions that we take for granted no longer ...

Now, scientists have succeeded for the first time in reproducing the ... This is the central consequence of Albert Einstein's special theory of relativity. The object then has a different length ...

This is the central consequence of Albert Einstein's special theory of relativity. The object then ... and the University of Vienna has succeeded for the first time in reproducing the effect ...

Einstein’s strangest optical illusion has been captured—thanks to lasers, a cube, and a bit of artistic inspiration.

Fast-moving objects don’t always look the way you’d expect. When something travels near the speed of light, strange things ...

A fourth paper introduced special ... 1919—that first year of fame—is probably impossible; an essay contest sponsored by Scientific American for the best explanation of relativity in ...

Physicists have demonstrated the Terrell-Penrose effect, which causes an object moving close to the speed of light to warp ...