Intuitive Machines, a Houston company aiming to repeat a 2024 landing, said its spacecraft, Athena, has power and is communicating but may not be upright. It is unclear how that might impact the ...

The mission was to carry NASA’s Volatiles Investigating Polar Exploration Rover, or VIPER, but last year NASA announced that because of cost overruns ... M.I.T. is sending a small rover called ...