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A galaxy

Mysterious dance of dwarfs may force a cosmic rethink

The discovery that many small galaxies do not ‘swarm’ randomly around larger ones, is forcing astronomers to reconsider some aspects of how the universe formed and evolved.

NGC 6949

Gallery: The ‘Fireworks Galaxy’

The ‘Fireworks Galaxy’, about 22 million light years from Earth, contains three of the oldest supernovae ever detected at X-ray wavelengths.

Antennae of CSIRO's Compact Array telescope

Astronomers spy on galaxies in the raw

A CSIRO radio telescope has detected the raw material for making the first stars when the Universe was just three billion years old.

Andromeda, we have you surrounded

Andromeda, we have you surrounded

Swarm of dwarf galaxies detected circling the huge Andromeda galaxy, defying current theories.

The Hubble eXtreme Deep Field

Hubble’s deepest view of the cosmos

The eXtreme Deep Field image takes us back through 13.2 billion years of intergalactic evolution.


Galaxy at the dawn of time

NASA space telescopes help spot a rare galaxy, as it was when the universe was young.

Galaxies NGC 4438 and NGC 4435

Galaxy gazing with The Eyes

Odd couple of the galaxy world shows signs of damage from close encounters.

A star-forming region

Galaxies are running out of gas

Universe is forming fewer stars than it used to, according to a new CSIRO study

Galaxy cluster

Cosmic expansion rate confirmed

Hubble constant measured using new method, boosting confidence in cosmology

Field of galaxies

Fly through a field of galaxies

Amazing video using real data lets you fly through thousands of galaxies spread across the universe.