Hawaiʻi Volcanoes National Park is sounding an unmistakable alarm as crowds surge to watch Kīlauea’s latest eruption, turning a remote summit into a choked maze of cars, pedestrians and volcanic ...

Geologists could be seen collecting data from the eruption, making a helicopter trip to the caldera floor to sample lava for chemical analysis. The eruption continued for several hours into the day.

In the predawn darkness, a team of scientists climbed the slope of Mexico's Popocatépetl volcano, one of the world’s most active and whose eruption could affect millions of people.

Mount Lewotobi Laki Laki, one of Indonesia’s most active volcanoes, erupted for a second straight day, sending a column of volcanic materials and ash up to 18 kilometers (11 miles) into the sky early ...