Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Glass rarely forms ...

So, the researchers have theorized that a super-heated ash cloud that dissipated quickly was actually the first event in the Vesuvius cataclysm. This would have raised the dead man's temperature above ...

A unique dark-coloured organic glass, found inside the skull of an individual who died in Herculaneum during the 79 CE Mount Vesuvius eruption, likely formed when they were killed by a very hot but ...

Intense heat generated by Mt. Vesuvius' eruption turned one victim's brain to glass. While gruesome, the finding published in ...

For several years now, we’ve been following a tantalizing story indicating that the high heat of the ash cloud generated when Mount Vesuvius erupted in 79 AD was sufficiently hot to turn one of the ...

In A.D. 79, a man who died in Mount Vesuvius' eruption near Pompeii had a rare transformation: His brain seemingly turned into glass. But scientists have long debated how it happened, because the ...