The tiny ice inhabitants darken the glacier's surface, which can accelerate its melting. Glaciers are massive bodies of white ...

Visit ancient Mars—a surprisingly temperate planet where snow or rain falls from the sky, and rivers rush down valleys to ...

Snowfall in Asia's Hindu Kush-Himalayan mountain range has reached a 23-year low, threatening nearly two billion people ...

VATICAN CITY (AP) — Pope Francis changed the Catholic Church’s teaching in areas such as the death penalty and nuclear ...