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

An astronaut from the Expedition 30 crew captured this stunning nighttime image, highlighting a vast stretch of the eastern Atlantic coastline of the United States. One of the Expedition 30 crew ...

Okjökull was a dome-shaped glacier situated around the summit crater on Ok (pronounced Auk), a 3,940-foot-tall (1,200 meters) shield volcano located 44 miles (71 kilometers) northwest of Reykjavík.

The Space Force says environmental remediation efforts that include returning sacred soil back to a volcano in Hawaii after 700 gallons of fuel spilled at an observatory on the grounds in 2023 ...

A huge volcano in Alaska appears to be "moving closer to an eruption," scientists monitoring it have said. Mount Spurr, which sits 81 miles (130 kilometers) west of Anchorage, is now releasing ...