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.

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 ...

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, ...