Time is one of life's great mysteries. From sand passing through an hourglass to 'time's winged chariot hurrying near', we often perceive it as an unrelenting f

Michael Lockwood investigates philosophical questions about past, present, and future, experience of time, and the possibility of time travel. He provides an in

Modern physics has revealed the universe as a much stranger place than we could have imagined. The puzzle at the centre of our knowledge of the universe is time