Was there ever life on Mars? NASA may have found evidence, but retrieving it could cost $7.7 billion
NASA has revealed two new strategies to bring back rock and dust samples from Mars collected by Perseverance rover. The aim ...
China’s Mars mission leaves US for space dust with Nasa at least 4 years behind
Samples collected by Perseverance rover not expected until at least 2035, four years behind Tianwen-3’s ‘grab-and-go’ timetable.