Is there anything more spectacular than a towering lava fountain? Think about what it is: glowing red molten rock being shot into the sky, potentially hundreds or thousands of feet. As ubiquitous and ...

And although those volcano eruptions are not part of a trend, experts have said, the volcanoes in question are far from the ...

Yellowstone National Park visitors were startled last month by an unexpectedly fierce hydrothermal explosion – an eruption of underground hot water – that spewed steam, boiling water, mud, and ...

One of the most deadly and dangerous volcano hazards isn’t lava. Mudflows called lahars can come without clear warning.

POPOCATÉPETL VOLCANO, Mexico — In the predawn darkness, a team of scientists climbs the slope of Mexico’s Popocatépetl volcano, one of the world’s most active and whose eruption could affect millions ...

Marco Calo, left, a geophysicist at the National Autonomous University of Mexico (UNAM), take a break on the slopes of the Popocatepetl volcano in Mexico, Friday, Dec. 5, 2025. (AP Photo/Eduardo ...