News
In 2022, NASA engineers in Pasadena watched a new image come down from Perseverance and saw a small heap of broken rocks resting on the Martian surface in a pattern that looked almost intentional, and the explanation they eventually offered involved a vanished river that has not flowed in three billion years.
6+ hour, 26+ min ago (693+ words) The Martian surface is not the empty red plain of old paintings. Jezero is strewn with cobbles, layered outcrops, sand drifts, and clusters of stones that sit on top of finer material in ways geologists call "perched." A perched rock…...