Cecilia Payne realised that the Sun and stars are primarily hydrogen and helium - only for a man to take credit for the ...

There’s growing evidence that animals have a sense of humour. Should this change how we see them?

Martin Cohen is a British author. His most recent book is "The Ah-ha Moment: Exploring Philosophical Ideas through Jokes and Puzzles" ...

Paul Davies is a cosmologist and best-selling author who chairs the Post-Detection Taskgroup for SETI – the Search for Extraterrestrial Intelligence. In 2006 he founded Beyond: Center for Fundamental ...