The Microscope satellite was placed in orbit this April. Its mission: test once more the principle of equivalence, a pillar of the theory of general relativity that postulates that all objects fall...
The Nobel Prize in Physics 2017 has just been awarded to Rainer Weiss, Barry C. Barish and Kip S. Thorne for their contribution to the first direct gravitational wave detection as part of the LIGO-...
The general theory of relativity predicted the existence of gravitational waves, distortions in the fabric of space-time that propagate through the Universe. What exactly are they and how were they...