Scientists Witnessed a Dead Star ‘Dragging’ the Fabric of Reality
Astronomers spent 20 years using a dead star as a gigantic "cosmic clock" to test a mind-blowing prediction of Einstein's general theory of relativity.
Our Solar System Might Have a Black Hole From the Dawn of the Universe
This alternate explanation for 'Planet Nine,' proposed by scientists in a new paper, poses some fundamental questions like: Should we visit it?
Gravitational Waves Show No Evidence of Extra Dimensions
Observing the light from neutron stars provided a baseline to measure the effects of extra dimensions on the propagation of gravitational waves through space.