During a field trip to the Lava Creek Tuff near Shell, Wyoming ... Argon 40, a stable isotope of argon, builds up in volcanic ...

Discover Armenia's rich architectural heritage, shaped by volcanic tuff and basalt, showcasing its unique identity through ...

NASA’s Mars rover is on the trail of a geological mystery in the Jezero crater. While exploring an area known as Witch Hazel ...

Hazy conditions are expected to continue throughout the next several days as Kilauea releases more sulfur dioxide and other volcanic fumes into the air. Light southeasterly winds will also ...

Massive lava fountains were sent soaring as high as 700 feet into the air on the big island of Hawaii as it erupted, producing intense heat, glowing streams of molten rock, and plumes of volcanic ...

Its olive-green sand comes from the erosion of a tuff ring, Puʻu Mahana, formed over 49,000 years ago by a volcanic eruption. To reach this beach, one has to hike a 2.7-mile trail across rugged ...

A flurry of seismic activity that caused 160 quakes in just two hours at the Laguna del Maule volcanic field in central Chile has put authorities on alert. 160 quakes occurred in the area during a ...