As we delve, or dive, or disappear deeper into these days (or daze) of peculiar velocity, one thing becomes certain (or nearly certain, or kind of certain, or perhaps ...

The distribution of matter can be determined by two independent methods: either based on surveys of the distribution of galaxies in projection and redshift, or from the motions of galaxies. With the ...

The newly translated book "Finding Our Place in the Universe," out today (May 21), details how scientists discovered the vast supercluster of galaxies that contains the Milky Way — using careful ...