A crackdown on sulfur in ship fuel is linked to a steep drop in thunderclouds in the Indian Ocean and South China Sea.

Through Thursday morning, more rain will move through Western Washington ahead of a low-pressure system spinning out in the ...

An unplanned experiment takes scientists closer to solving a long-standing mystery: To what extent, if any, have ...

In general, lightning starts after opposing electrical charges—positive and negative—are separated in clouds, resulting ... its movement throughout the storm. The system consists of two ...