Which way is ‘down’ has a different answer depending on where you are on Earth, in the solar system, in our galaxy and beyond ...

A newly spotted space rock has just shattered the speed record for large asteroids, spinning so quickly that by all ...

It’s a bit mind-bending to realise that everything we know about the scale of the universe comes from people stuck […] ...

The colours of the sunset occur because of a phenomenon called scattering when the molecules change the direction of light ...