Galaxies

A family portrait of the Andromeda galaxy and its orbiting dwarf satellites raises questions about how galaxies evolve.

Images from the Very Large Telescope suggest that a galaxy called NGC 3640 has a history of absorbing smaller galaxies.

Newly discovered Quipu, a superstructure in which galaxies group together in clusters and clusters of clusters, is the largest known structure in the universe in terms of length, scientists claim.

Computer algorithms can model the universe, matching simulations to observations and revealing the distribution of dark matter.

Astronomers have captured a breathtaking new image of the Antlia Cluster of galaxies.

A rare group of aligned, star-birthing dwarf galaxies resemble a cosmic string of pearls.

A new image from the Very Large Telescope captures a cosmic cloud referred to as the Running Chicken Nebula, given its bright 'beak' and characteristic shape.

A relic galaxy has been uncovered from the early universe, revealing new clues about what our own Milky Way galaxy may have looked like back then.

Astronomers have discovered that large flows of cold gas created by collisions between galaxies in the early universe may have forged some of the most monstrous star systems.

Astronomers have discovered a group of dwarf galaxies with distinct features that challenge predictions made by the prevailing cold dark matter (CDM) model.