A group of researchers have made a shocking discovery about one of the most fundamental forces in our universe. According to a new paper, which is set to publish in Physics of the Dark Universe next ...

Einstein’s claim that the speed of light is constant has survived more than a century of scrutiny—but scientists are still daring to test it. Some theories of quantum gravity suggest light might ...

Researchers have discovered that in the exotic conditions of the early Universe, waves of gravity may have shaken space-time so hard that they spontaneously created radiation. The physical concept of ...