The image, which was recently featured on NASA's website, shows what looks like a giant cranium on the desert floor.
Scientists have unearthed the fossil remains of three new species of prehistoric winged reptile in Morocco.
Researchers from Florida International University have identified the first new species of crocodile in 85 years.
In addition to generating huge amounts of energy, wind and solar power could turn the Sahara desert green.
Scientists have discovered 1.1-billion-year-old pigments beneath the Sahara Desert... and they're bright pink.
Ski resorts in several countries were left looking like the surface of Mars after a recent fall of orange-tinged snow.
The notoriously hot and dry Sahara was left coated in a layer of snow following a winter storm on Sunday.
New research has suggested that humans may have been responsible for the formation of the Sahara.
The unexpected flurry is the first to have been reported in the region for almost four decades.
A terrifying new species of crocodile known as Machimosaurus rex has been unearthed in the Sahara.
A French architectural firm has put forward a concept for a futuristic city situated in the desert.
The desert's Messak Settafet escarpment contains up to 75 prehistoric tools per square meter.
A rock discovered in the Sahara desert has turned out to be the oldest Martian meteorite ever found.