NASA's Perseverance rover has added to its trove of curious finds, as the space agency published a photo of a rock on the surface of Mars that looks like a centuries-old helmet. The rock has a pointed ...

Test-run shows how a team of three autonomous robots could search for extraterrestrial environments suitable for sheltering ...

NASA's Perseverance rover has stumbled across a curious, volcano-shaped rock on the surface of Mars that looks rather like a ...