New research suggests that sunlight-blocking particles from an extreme eruption would not cool surface temperatures on Earth as severely as previously estimated. Some 74,000 years ago, the Toba ...

This is not some harmless hair. It’s volcanic glass and it could turn your life into an itchy, blistering existence. Uh oh.

Mount Erebus, Antarctica’s southernmost active volcano, is generating an unexpected fortune. Every day, the volcano releases tiny particles of gold dust, a phenomenon that has captivated scientists ...