image: After the Big Bang came the earliest galaxies. Due to the expansion of the universe, these galaxies are receding away from us. This causes their emissions to be redshifted (shifted towards ...

An international group of astronomers, led by a physicist at the University of St Andrews, has revived an alternative gravity theory. Headed by Dr. Indranil Banik of the School of Physics and ...

Dark matter can be a real drag. The pull of that unidentified, invisible matter in the Milky Way may be slowing down the rotating bar of stars at the galaxy’s heart. Based on a technique that ...