Japan’s Shinmoedake volcanic eruption sends a towering ash plume. Learn how residents are affected, alert levels, eruption ...

Data from oceans, ice and the air all point to the same thing: rising invisible heat. What experiments are working, and what kinds of trials do we need to stop?

BANGKOK (AP) — In inserting itself into Israel's war against Iran, Washington unleashed its massive “bunker-buster” bombs on Iran's Fordo fuel enrichment plant.