Has the future already already been written? Is time just an illusion? Take a step outside of spacetime with cosmologist Marina Cortês to discover the block universe.

Fundamental physics says time is symmetric - so why does time move forwards for us in a block universe?

Is time real? Are we just puppets living out a future already written? Marina Cortês explains why she thinks time is fundamental and that we don't live in a block universe.

Marina Cortês is one of a growing number of physicists who believe time is fundamental. We ask her about the alternatives theories to the block universe, where time comes first.

In these two short videos the legendary Andrew Wiles talks about what it was like to prove Fermat's Last Theorem, and what it feels like to do maths.

Image © Heidelberg Laureate Forum Foundation / Flemming­ – 2016

Prime number enthusiasts discover new largest prime with 22,338,618 digits.

It would be foolish to ignore evidence. Luckily Bayes' theorem shows us how to take it in into account.

Does reality arise from information? What does this even mean? Anton Zeilinger explains the impact of John Wheeler's radical idea.