Near-constant activity continues on the volcano in Russia. Shivelyuch (also called Shiveluch), the most northerly active ...
Data from NASA's GRAIL mission reveals evidence of ancient volcanic heat still influencing the moon's internal structure.
Forty-three years ago today, Mount St. Helens erupted, triggering a magnitude 5 earthquake and spewing ash, mud and debris across southwest Washington. The explosion killed 57 people and changed the ...