Mars exploration
Report backs NASA proposal to change astronaut radiation exposure limits
A National Academies committee has endorsed a NASA proposal to change the radiation exposure limits the agency sets for its astronauts but cautioned that the revised limit is still insufficient for human Mars missions.
Op-ed | Build a Robot Base on Mars
The triumphant landing of the Perseverance rover has inspired all Americans, and indeed much of the world. President Biden should follow it up by launching the program to send humans to Mars.
Op-ed | More than Hope, UAE is transforming its future in space
The UAE’s Hope probe reached Mars orbit in February, making the country the fifth nation to reach the Red Planet. The success of the Emirates Mars Mission stands alone as an admirable accomplishment, but Hope is not an end unto itself.
