elliptical galaxies
Four new galaxy clusters take researchers further back in time
An international team of astronomers, led by Imperial College London, used a new way of combining data from the two European Space Agency satellites, Planck…
Clues to the growth of the colossus in Coma
These features, which span at least half a million light years, provide insight into how the Coma cluster has grown through mergers of smaller groups and…
When galaxies eat galaxies
Using gravitational “lenses” in space, University of Utah astronomers discovered that the centers of the biggest galaxies are growing denser – evidence of…
Record massive black holes discovered lurking in monster galaxies
These black holes are at the centers of two galaxies more than 300 million light years from Earth, and may be the dark remnants of some of the very bright…
'Dead' galaxies aren't so dead after all, U-M researchers find
U-M research fellow Alyson Ford and astronomy professor Joel Bregman presented their findings May 31 at a meeting of the Canadian Astronomical Society in…
The universe does think small
The hidden stars are known as red dwarfs for their color and small size. Because red dwarfs are small and dim compared to stars like the Sun, astronomers…