Get reading! There’s no time to waste. At 225 million years per rotation, the sun will only orbit the Milky Way another 22 times before...

Every four years, maths nerds, astronomers and calendrists alike get pretty excited about today's date, 29 February.

Debunking an urban myth and 21 stages of Tour de Carb - how would you eat your way through?

Kids counting down til Santa comes. Watch me in conversation with futurist Amy Webb at SXSW. And was Plato ever wrong?