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Where is everybody?

Are we alone? The universe is very big. Why do...

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...

The Rise and Fall of the British Empire

In 1945, the imperial possessions of Great Britain circled the...

Great Britain and the ‘Scramble for Africa’

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