Wheels are great for traversing flat, paved surfaces, but when the terrain is covered with loose sand and large rocks, it's time to grow feet. Scientists built a six-legged robot after studying the ...

A six-legged, hamster-sized robot that can easily scamper across sand, gravel and similarly unstable surfaces could lead to better rovers for exploring Mars and other alien worlds, researchers say.

Scientists found a camouflaged animal with a long tail on sand dunes near Boshruyeh and discovered a new species, a study said. Photo from Orlova, Rasegar-Pouyani, Rajabizadeh, Nabizadeh, Poyarkov, ...