"A dog is a man's best friend," the old saying goes ... a rugged environment that researchers think resembles the moon — which Spirit is being prepared to eventually explore.

A four-legged robot from Texas landed squarely on the Moon on 2 March, becoming the first commercial spacecraft to execute a ...

Blue Ghost is getting to work after its private moon landing. Firefly Aerospace's Blue Ghost lander has captured a gorgeous shot of sunrise on the moon as it begins its workday on the lunar surface.