The Aorounga Crater in Northern Chad

Caitlin Dempsey

The Aorounga Crater is an impact crater located in northern Chad just south of the Tibesti Mountains in the central Sahara desert.

How Often Does it Snow in the Sahara Desert?

Caitlin Dempsey

The sight of snow in the Sahara Desert is rare, but it does happen on occasion.

Global Landslide Susceptibility Map Highlights Overlooked Regions of the World

Elizabeth Borneman

NASA satellites and imagery can detect where in the world landslides are likely to occur based on geographical features and the amount of precipitation that has fallen in the area.

Which Continent Lies in All Four Hemispheres?

Caitlin Dempsey

While several of the world's continents are traversed by the separation between two hemispheres, there is only one continent in the world that lies in all four hemispheres: Africa.

Geographic distribution of malaria in Sub-Saharan Africa. Malaria prevalence survey locations and values overlaid upon the distance to the nearest protected area for Sub-Saharan Africa within the malaria zone. From Taber and Smitchwick, 2015.

Do Protected Areas Have an Effect on Malaria Prevalence?

A.J. Rohn

Recently, a paper by researchers at Penn State was published in Applied Geography that looks for connections between protected areas in Africa and malaria.