In its quest to chart the evolution of the universe, ESA’s space telescope has already amassed a massive catalog of galaxies ...

New research suggests that the largest cosmic structure is even bigger and closer to Earth than we knew. It goes against ...

"All the odd shapes and swirling gas observed in the Perseus cluster now make sense within the context of a major merger." ...

These series of step-like bursts happen so rapidly that they are difficult to observe as these singularities wink in and out ...