"Since its formation, the Earth has been revolving west to east on its axis. If one day our planet started rotating in the opposite direction, it would no longer be the Earth as we know it.

What If is a Webby Award-winning science web series that takes you on a journey through hypothetical worlds and possibilities, some in distant corners of the universe, others right here on Earth.

This may seem like a ridiculous scenario at first. But, scientists have actually run simulations for a backwards-spinning Earth, because it happens to be a great way to test how well we can model ...

On both of these days, the Earth completed ... saying “when you start looking at the real nitty gritty, you realise that Earth is not just a solid ball that is spinning.” ...