Dark energy and dark matter pervade the Universe. Professor Alan Heavens looks at how we find their properties and tests whether Einstein's gravity theory works in his inaugural lecture.

Astrostatistician Alan Heavens on general relativity, how lensing can be used to observe dark matter and whether Einstein's theory of gravity might be wrong.

Astrostatistician Alan Heavens on the expanding Universe, cosmological constant, and why our cosmological model may be incomplete.