Add Yahoo as a preferred source to see more of our stories on Google. Abstract artist's impression of an energy vortex. Gravity can turn itself into light, but only if space-time behaves in just the ...

Gravity used to be the most dependable rule in the cosmic rulebook, the quiet background force that never changed its mind. Now a series of discoveries and bold claims are turning that certainty into ...

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 ...

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 ...

Scientists pushed photons across the universe to test the speed of light—and found Einstein’s cosmic speed limit still holds ...

From the fall of an apple to the glow of the farthest known star, gravity quietly choreographs almost everything that happens ...