NASA’s Perseverance rover today completed the collection of the first sample of Martian rock, a core from Jezero Crater slightly thicker than a pencil. Mission controllers at NASA’s Jet Propulsion ...

The Perseverance rover is bristling with scientific instruments and cameras, but it can only do so much on the surface of Mars. Thus, NASA plans to transport the rover's samples back to Earth in the ...

NASA's Perseverance rover has been busy gathering bits of Mars — rock cores the size of chalk sticks, clusters of broken fragments no bigger than pencil erasers, and even grains of dust fine enough to ...