“Obsidian glass, that is a volcanic glass, forms when lava is very quickly cooled, for example, where it enters into water,” Giordano added. However, the pyroclastic flows, composed of fast ...

As with other forms of obsidian, rainbow obsidian is both rock and glass. However, this isn’t the same kind of glass that’s used in your nice new French doors. It’s far more badass ...

NASA's Juno spacecraft found Io’s surface is as smooth as glass, just like volcanically created obsidian glass ...

It was a surprising discovery when scientists examining the remains of a man who died in bed in the ancient city of Herculaneum after Italy's Mount Vesuvius erupted in 79 AD found dark fragments ...

The process is called vitrification. "Obsidian glass, that is, volcanic glass, forms when lava is very quickly cooled, for example, where it enters into water," Mr Giordano added. According to ...

Born in Leeds, Joe finished his Spanish degree in 2018 before becoming an English teacher to football (soccer) players and managers, as well as collaborating with various football media outlets in ...

A man, thought to be the custodian of a religious group, was believed to be in his bed asleep, when a super-hot ash cloud hit ...

Scientists say they have worked out the sequence of events that likely killed the victim and led to the formation of the unique and puzzling glass ...

A man's brain was partly turned into glass after Mount Vesuvius erupted. Researchers discovered dark fragments resembling obsidian in the skull of a man in the ancient settlement of Herculaneum.