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The Star of Bethlehem

Ever since Jesus was born, people have been pondering on...

Our Galaxy – one of billions in the Universe –...

Nature is nothing if not rhythmic, and its rhythms are...

Why do astronomers do astronomy? It's often assumed that astronomy...

A series of three lectures on genetic engineering by Professor...

Time travel was once the stuff of fiction, but today...

A series of three lectures on genetic engineering by Professor...

A lecture on the Solar System’s most important inhabitant: our...

The story of Halley's Comet is one that will last...

In 1781, William Herschel became the first man in history...