The Universe is: Expanding, cooling, and dark. It starts with a bang! #Cosmology Science writer, astrophysicist, science communicator & NASA columnist.

Insight and opinion on international news, politics, business, finance, science, technology, books and arts.

The Ringer Podcast Network

Navigator, former lecturer on Astronomy. Author: Logical Fallacies of Special and General Theory of Relativity, 1919 Eclipse and General Relativity.

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