(Brian Jannsen / Alamy Stock Photo) Design your own castle. Edinburgh Castle and Stirling Castle were both built on top of ancient volcanoes. The steep cliffs and high rocks of a volcanic mountain ...

J. W. Gregory in NATURE of February 19, some interest attaches to a specimen of a volcanic rock sent to the Mineral Department of the British Museum for identification in July, 1912, by Dr.

An analysis of a 30,000-year-old fossil vulture from Central Italy has revealed for the first time that volcanic rock can preserve microscopic details in feathers - the first ever record of such a ...

(See dramatic photos of volcanoes around the ... Unlike the fluffy bits that linger after a camp fire, volcanic ash is made up of tiny fragments of rock and shards of glass. It’s damaging ...