Black Hills, SD, USA
Black Hills, SD, USA

We can’t see bugs from space, but we can see the effects of insect infestation in Landsat imagery. An unprecedented mountain pine beetle epidemic star...

Elburz Mountains, Iran
Elburz Mountains, Iran

These images show the vicinity of the Elburz Mountains in northern Iran. Tehran lies in the south, and the Caspian Sea is to the north. The Elburz Mou...

Landsat’s Return Beam Vidicon
Landsat’s Return Beam Vidicon

A sensor on the early Landsats had a name worthy of some Star Trek gadget. Originally Landsat’s primary sensor, the Return Beam Vidicon (RBV) flew on ...

Lesotho
Lesotho

South Africa needed water. Lesotho needed electricity. One huge project aims to solve both problems. Lesotho is a small mountainous country completely...

Mount Kilimanjaro, Tanzania
Mount Kilimanjaro, Tanzania

These images show the famous “snows of Kilimanjaro” in 1976, 2000, 2010, 2013, and 2019. Mount Kilimanjaro, almost 20,000 feet above sea level, is the...

Mount Pinatubo, Philippines
Mount Pinatubo, Philippines

Mount Pinatubo had likely been dormant for hundreds of years. There had been no historical records of volcanic eruptions. Local residents in this part...

Mount St. Helens
Mount St. Helens

These images show the area around Mount St. Helens, in southwestern Washington, before and after its eruption of May 18, 1980. In these false-color im...

Mountaintop Mining, West Virginia, USA
Mountaintop Mining, West Virginia, USA

Mountaintop coal mining is a major cause of land cover changes in the central Appalachian Mountains of the eastern United States. The landscape distur...