A new effort to map the rumblings in spacetime caused by enormous black hole collisions paints a surprisingly loud and ...

At the bottom of the chart are the fundamental particles—quarks, bosons (eg Higgs, w +, w -, z ), protons, neutrons, ...

String theorists are betting that extra dimensions do indeed exist; in fact, the equations that describe superstring theory require a universe with no fewer than 10 dimensions. But even physicists ...

Biggest vs smallest—how do we measure up in the grand scheme of the universe? Explore the fascinating scales of existence, ...

Let's set the record straight: NASA has not found a parallel universe. The claims making the rounds on social media are not ...