Hubble’s high-resolution imagery allowed researchers to hone in on more of the Bullseye galaxy’s rings — and helped confirm ...

By observing tiny ripples in spacetime called "gravitational waves" that propagate away from colliding black holes, ...

An international team of researchers has found dark matter dominating the halos of two supermassive black holes in galaxies ...

In the vast expanse of the universe, astronomers have just uncovered a colossal cosmic structure, breaking all previous ...

Is it possible to understand the Universe without understanding the largest structures that reside in it? In principle, not ...