SpacePlanets in other star systems fit a puzzling pattern Data from the Kepler space telescope show that exoplanets tend to be similar in size to their neighbours and regularly spaced, no matter the size of their star News
SpaceGeneral relativity passes test at Milky Way's central black hole Stars orbiting the supermassive black hole have been used to test Einstein’s famous theory for the first time, with no sign found of a fifth fundamental force News