Volcan de Fuego in southern Guatemala kicked off Halloween with a fiery spectacle — erupting with powerful explosions and ...

Trapped in a gravitational push and pull between Jupiter and other Jovian moons, Io is constantly being stretched and ...

For centuries, Mount Taftan has been considered dormant volcano, a quiet sentinel in the Makran region of southeastern Iran.

Crafting a list of the best places to go in the world, in any given year, is a reminder of travel’s most beautiful paradox: ...