Costa Rica will release a new ₡25 coin on Wednesday that pays tribute to Arenal Volcano, putting one of Alajuela’s best-known landmarks into the hands of collectors and, eventually, everyday users of ...

Reporter When the sixth-strongest earthquake ever recorded hit Russia’s Kamchatka Peninsula last week, it triggered tsunami warnings around the world as waves rippled across the Pacific as far as the ...

Extreme drought, rather than a planetary winter, might be humanity’s biggest challenge in the years after a huge volcanic eruption 1. Global temperatures can plummet after a large eruption, if the ...

When the sixth-strongest earthquake ever recorded hit Russia’s Kamchatka Peninsula last week, it triggered tsunami warnings around the world as waves rippled across the Pacific as far as the U.S., ...