The first three dimensions of Einstein’s space-time continuum are easy–X, Y, and Z vectors give our world a shape. The fourth dimension is time, but it’s a bit more complicated than just looking at a ...

Space travel looks like fun–what with weightlessness and the views–but it can be murder on the human body. In the absence of gravity, muscles, bones, the heart and even the eyes can suffer damage.

Mark Myers, ARC Centre of Excellence for Gravitational Wave Discovery The stars in the binary-star system PSR J1141-6545 make up an eccentric pair. As they dance around each other in a rapid motion, ...

Ever since Andy Warhol, few American artists have dared to be full-service public intellectuals, offering a fresh and disconcerting outlook on their society through social as well as aesthetic ...