The state of New Mexico has recognized a state fossil and a state gem. The state gem will be presented in a later column.

The red planet Mars, named for the Roman god of war, has long been an omen in the night sky. And in its own way, the planet’s rusty red surface tells a story of destruction. Billions of years ago, the ...

Ordnance Survey maps are very useful to the local historian as they trace the development of buildings, settlements and landscapes across the 19 th and 20 th centuries. This continuous series of maps, ...