Astronomers have been confounded by recent evidence that the universe expanded at different rates throughout its life. New ...

Named after Edwin Hubble, one of the greatest astronomers of the 20th century, the telescope embodies ... that forms the cornerstone of modern cosmology. At the Mount Wilson Observatory, Hubble ...

Over the past decade, cosmology has been embroiled in a growing ... in the middle of previous measurements made in the last half century. With its first rung more firmly fixed, the updated ...

In the history of science few developments have been more important than the advent of the new heliocentric cosmology in the ... around us - in the sixteenth century a new idea began to emerge.