The Blue Origin founder wants a NASA contract to help develop a spacecraft that will put humans back on the moon. So far, NASA has only selected SpaceX.
Nelson said NASA is "suddenly realising that we don't own all of this" and he called for a push in the agency's moon landing ambitions.
The Space Launch System is going to take humans to the moon once more as the most powerful rocket ever built, but there have been concerns about its cost.
Data from a 2008 survey of the lunar surface indicates the presence of a form of rust that requires oxygen and water to form—neither of which the moon has enough of.
The Exploration Extravehicular Mobility Unit builds on the designs of spacesuits currently used by astronauts when they conduct spacewalks outside the International Space Station.
NASA is planning to send more astronauts to the Moon as part of its Artemis mission.
Mark Sirangelo was appointed special assistant to NASA Administrator Jim Bridenstine in April.
The space agency is hoping to put the first woman on the lunar surface by 2024.
The best-selling author of 'The Martian' on writing his second book, why he chose a female lead, and who might play his characters in the film.
The Swiss-led team discovered the site at the foot of the a hill near the fishing town of Amarynthos.
Auction house Sotheby's named the jewels after the Greek twin divinities Apollo and Artemis.
"Artemis," a thriller set in the near future in the first city on the moon, is due out in November. Movie rights have reportedly been acquired.