When medieval scholars sought to understand the nature of angels, they unwittingly laid the foundations of modern physics ...

Comprising a planet's outermost portion, the crust is by far its most accessible part, and in the case of Earth it is of critical importance to sustaining life. However, the bewildering array of ...

It can be hard to see the dignity of work in our post-industrial stratified world. In this Jubilee year, the church prompts ...

Reflecting the simple beauty or complex artistry of nature. Images can be in colour or black and white and although may not match the criteria of other categories, they must remain true to nature.