Lava cools very quickly at first forming a thin crust that insulates the interior of the lava flow. As a result, basaltic lava flows can form crusts that are thick enough to walk on in 10-15 minutes ...

Through the intricate study of lava tubes -- caves formed following volcanic eruptions when lava cools down -- an international team of researchers has uncovered clues about Earth's ancient ...

A new device helps scientists measure lava viscosity during active flows. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Last year, scientists ...