Disturbances called tropical waves help form many tropical storms and hurricanes, but the atmosphere has other ways to kick ...

The largest volcanoes in Earth’s history owe their formation to powerful geological phenomena called mantle plumes—upwellings of abnormally hot rock within the Earth’s mantle that rise toward the ...

BEIJING (Reuters) -Heavy rainfall triggering flash floods and mudslides have damaged roads, destroyed buildings and claimed bridges, wreaking havoc in China's southwestern Yunnan province on a long ...