Earth is our home planet, and it's the only place in the universe where we know for certain that life exists. Earth formed over 4.5 billion years ago from a swirling cloud of gas and dust squished ...

A globe is a model of planet Earth, showing how it looks from space. This one shows all the countries of the world, almost 200, including the UK. It shows all seven continents, Europe, Africa ...

Strange Days on Planet Earth is a multi-year landmark undertaking ... A series of strange, seemingly unrelated events are unfolding across the globe. In the West African nation of Ghana, olive ...