A Martian spacecraft spied a Martian rover rumbling through the red desert. The new image captured by NASA's Mars Reconnaissance Orbiter — which has orbited Mars since 2006 — shows the space agency's car-sized Curiosity rover traversing the terrain below as it scales the planet's 3.4-mile-high Mount Sharp.

NASA's Perseverance rover on Mars has discovered unusual "float" rocks on the rim of Jezero Crater while searching for signs of ancient microbial life. Scientists are investigating their origin.