Astronomers gain new tape measure for the universe

Using binary stars as a standard for reference, astronomers have measured the distance to our neighbouring galaxy, the Large Magellanic Cloud (LMC), more accurately than ever before.

Spitzer measures rate of universe's expansion

Astronomers have come up with their most accurate measurement yet of the Hubble constant, the rate at which the universe is expanding.

New calculation of the size of the universe

An Australian PhD student  has produced one of the most accurate measurements ever made of how fast the universe is expanding and thus how big it is.