The three companies will develop, build and fly the landers and the contract for the initial 10-month period is $967 million.
17 April marks the 50th anniversary of the Apollo 13 mission that returned safely in spite of a catastrophic explosion in space.
NASA wants to return to the moon with the Artemis mission and they are building a smaller version of the ISS to orbit the moon.
She is a math whizz and one of NASA's longest-serving women employees who has worked on many missions.
Artemis is still in very early stages of planning, and yet to receive Congress's approval for funding.
The delicately-shrivelled exterior seen by NASA’s Orbiter suggests gradually cooling of the interior.
The findings resolve a long-standing puzzle as to the phenomena linking magnetism and lunar swirls.