Pyroclastic flows are a leading cause of eruption-related deaths. Now, lab tests reveal the mind-bending reason they may rush down a volcano’s flanks.

Learn techniques for surviving a pyroclastic flow. Judge strikes down Trump’s birthright citizenship order in new legal challenge after Supreme Court ruling What Happens to Your Blood Pressure ...

Pyroclastic flows contain a deadly combination of hot rock fragments and gas. Temperatures regularly top 1,000 degrees Fahrenheit, and these torrents can careen down mountainsides at hundreds of ...

Scientists think they’ve figured out how pyroclastic flows, fast-moving bringers of death during volcanic events, can travel such incredible distances and speeds despite the friction between the ...

Pressures within pyroclastic flows may be as much as three times as great as observations had suggested.

ICYMI, back in 1991, a volcanologist literally outran a volcanic eruption - specifically a pyroclastic flow. If you haven't seen the video, then you've been missing out.

Guatemala's Volcan de Fuego -- Volcano of Fire -- erupted spectacularly Sunday, shooting a plume of ash and gas nearly 6 miles into the sky and spreading ash and debris across towns and farms more ...

Results showed that the pyroclastic flows "generate their own air lubrication," the team wrote. It found that an area of high-pressure volcanic material forms toward the base of the flow.

You can watch these crazy pyroclastic flow twisters in action in the video below, uploaded to YouTube by Photovolcanica. The twisters start forming around the one minute mark.

Pyroclastic flows can originate from the collapse of the eruption column, from a lateral blast or from the partial collapse of a volcano. So what makes pyroclastic density currents so dangerous?