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 ...

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 ...

Indonesia’s rumbling Mount Lewotobi Laki Laki erupted twice on Monday, sending a column of volcanic materials up to 11 miles into the sky, dumping ash on villages and causing flight cancellations.No ...