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.
The ‘Fireworks Galaxy’, about 22 million light years from Earth, contains three of the oldest supernovae ever detected at X-ray wavelengths.
A CSIRO radio telescope has detected the raw material for making the first stars when the Universe was just three billion years old.
Swarm of dwarf galaxies detected circling the huge Andromeda galaxy, defying current theories.
The eXtreme Deep Field image takes us back through 13.2 billion years of intergalactic evolution.
NASA space telescopes help spot a rare galaxy, as it was when the universe was young.
Odd couple of the galaxy world shows signs of damage from close encounters.
Universe is forming fewer stars than it used to, according to a new CSIRO study
Hubble constant measured using new method, boosting confidence in cosmology