Deserts are regions with a characteristically hot dry climate. But why does it sometimes rain only once over several years ? How can animals and people cope with the burning hot sun ? They look for ...

The Sahara Desert has expanded by about 10 percent since 1920, according to a new study conducted by University of Maryland researchers. This represents roughly an area the size of South Dakota being ...

Atmospheric dust plays a dual role in Earth's climate: it reflects some sunlight back into space while also absorbing and retaining the planet's heat like an insulating blanket. But while dust likely ...