Here's everything you need to know about the science of fog, accompanied by breathtaking photos of it enshrouding different parts of the world. Fog is like a cloud that touches the ground.

Barking up the right tree: 80 photos were sent in by 15 readers displaying their skills with images of trees. Here are the ...

Brighton and Hove seafront was blanketed in fog this afternoon as a strange weather phenomenon swept over the city ...

Our round-up of some of the best photos from Somerset this week include landscapes draped in fog, a tractor run and a panto villain. I got chills: It has been a week of two halves when it comes to ...