A new study shows eruptions and wildfires altered the upper atmosphere, yet recent surface warming points elsewhere.

A tour guide recounts her incredible journey to get 19 cruise ship passengers off an island following a deadly volcanic eruption.

A major volcanic eruption in Indonesia has triggered an aviation warning in Australia, though so far no flights have been affected. Indonesia's Mount Semeru, the highest peak on Java island, erupted ...

Volcanoes and wildfires can inject millions of tons of gases and aerosol particles into the air, affecting temperatures on a global scale. But picking out the specific impact of individual events ...