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Cosmology of Ultimate Concern

The Origin of the Constellations

Who invented the constellations? The constellations that we use to...

The afterglow of the Big Bang

Is there an 'echo' of the big bang? The story...

Gravitational-Wave Astronomy

Einstein predicted that gravitational waves exist. What are they, how...

The Early History of the Universe

What was the universe like during its early history? Described...

Did Einstein get it right?

How did Einstein's theory of general relativity improve on Newton's...

Is the world simple or complicated?

Stop some particle physicists in the street and they will...

Great Britain and the ‘Scramble for Africa’

The scramble for Africa in the 1880s saw the unclaimed...

Theories of everything

What do physicists mean by a 'Theory of Everything'? And...

Impossibility: The Limits of Science

Are there limits to science? We look first at the...