Snowflakes, lightning bolts and human blood vessels are also fractal structures, which all show a degree of self-similarity: ...

The Apexel 36X Telephoto Lens Kit provides aspiring natural history smartphone photographers to capture close-ups of their ...

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

The latest photo challenge calls for you to take and send in your best pictures of trees. Here's how to enter.