How do volcanologists determine the height of eruptive plumes from Yellowstone’s past explosive eruptions? Ironically, you ...

A 2022 satellite photo shows smoke rising from a caldera on Tofua, highlighting the "looming threat" of the volcanic island.

Here’s what residents should know to protect their children, pets, homes and vehicles from the ash that scientists say is ...

In the shadow of Alaska's bustling city, Mount Spurr whispers of its ancient power. Elevated gas emissions suggest a restless ...

Authorities said as they raised the alert status to the highest level, and an Australian airline cancelled some flights into ...

The Mount Lewotobi Laki Laki volcano in south-central Indonesia has erupted, sending an ash column 26,000 feet high and prompting authorities to expand the danger zone around the volcano.

Seven international flights from Bali have been cancelled due to a volcanic eruption, which released dark ash up to eight ...