Though tiny, this newfound satellite galaxy around M31 offers big lessons — and questions — about how galaxies evolve.

Fluffy strands of cosmic gas and dust illuminated by bright young stars form a beautiful cloudscape in a neighboring nebula.

A team of astronomers recently uncovered an exceptionally small and faint dwarf galaxy located approximately 3 million ...

Galaxies like the Milky Way boast more than spirals; they also have feathers, where clumps of new stars are born. Astronomers ...

Although the telescope is just getting started on its mission, it has already delivered some impressive snapshots of the dark ...