Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight ...

Hubble’s images don’t just look beautiful — they reveal galaxies in the middle of violent transformation. From collisions and mergers to tidal stretching and starburst explosions, the universe is ...

The venerable Hubble observatory is going strong despite its decades in space and the advent of next-generation successors ...

Black holes are often considered terrors of the known universe. Supermassive black holes are regions of space where the pull of gravity is so intense that even light doesn't have enough energy to ...