It snowed on December 19 in the Sahara Desert, and NASA's Landsat 7 satellite was there (or rather, hundreds of miles overhead) to see it. The photo comes from Landsat 7's Enhanced Thematic Mapper ...

Over two days in September, however, intense rain fell in parts of the desert in southeast Morocco, after a low pressure system pushed across northwestern Sahara. Preliminary NASA satellite data ...

The Sahara desert is a scorching ... and it even covers the northern end of the desert near the Moroccan-Algerian border town of Ain Safra. This satellite image shows a comparison with previous ...

A stunning composite image, made up of three years' worth of satellite photos, shows the ancient lava of Libya's Haruj ...

fossilized lava that was spewed across the Sahara desert over millions of years looks like an eerie, gold-speckled shadow in this stunning composite of three years' worth of satellite photos.

Paleoclimate and archaeological evidence tells us that, 11,000-5,000 years ago, the Earth's slow orbital 'wobble' transformed today's Sahara desert to a land covered with vegetation and lakes.

The Sahara Desert is one ... temporarily transformed the desert terrain, covering sandy dunes and creating a new watery ...