Milky Way grew by `cannibalizing` other smaller galaxies

Last Updated: Friday, February 22, 2013, 10:00

These stars support the idea that the Milky Way grew, in part, through the accretion of smaller galaxies.

`Cosmic web stripping` could reveal missing dwarf galaxies

Last Updated: Sunday, February 3, 2013, 19:08

Galaxies and matter in the universe clump in an intricate network of filaments and voids, known as the cosmic web.

700,000 new galaxies expected to be found in 2013

Last Updated: Monday, December 31, 2012, 14:53

Astronomers hope that the huge radio telescope facility in Western Australia officially opened earlier this year will help them uncover 700,000 new galaxies in 2013.

Australia’s newest radio telescope tipped to find 700,000 galaxies

Last Updated: Saturday, November 10, 2012, 13:31

Scientists planning for CSIRO’s next-generation Australian Square Kilometre Array Pathfinder (ASKAP) are hoping to find an unprecedented 700,000 new galaxies with the country’s newest radio telescope.

Big collisions `make galaxies denser`

Last Updated: Saturday, October 13, 2012, 15:32

Using gravitational “lenses” in space, astronomers have discovered that the centres of the biggest galaxies are growing denser, which is an evidence of repeated collisions and mergers by massive galaxies with 100 billion stars.

Fireworks marked growth of galaxies in early universe

Last Updated: Saturday, September 29, 2012, 13:27

Growth of galaxies in the early universe was often accompanied by fireworks in the form of energy bursts caused by the massive central black hole accretion, astronomers said.

Ancient celestial city undergoing rapid growth discovered

Last Updated: Saturday, September 22, 2012, 18:37

It is the densest and most active protocluster ever identified at so great a distance, 11 billion light-years away from Earth.

Vampire stars suck life from their neighbours

Last Updated: Friday, July 27, 2012, 10:14

Astronomers has spotted a strange phenomena called as `vampire stars`, where a smaller companion star sucks matter off the surface of its larger neighbour.