Helgi Hjorleifsson, a firefighter, is a leader in a national experiment to steer rivers of lava away from important sites.

It’s wet, you drop it, but think “eh, it’s fine.” You pop the can open and SPLASH—there’s soda all over white shirt. Could ...

The fragile-looking filaments of cooled lava known as Pele’s hair can form when pockets of bubble-rich lava pull apart rapidly, experiments suggest. Among all the ways that molten rock can solidify ...

Hawaii's Kilauea volcano erupted for the 43rd time since December 2024, sending glassy volcanic fragments, ash and lava into ...