NASA's Perseverance Mars rover is collecting samples that could be evidence of ancient alien life.
But NASA's Mars Sample Return mission to bring them to Earth will now cost $11 billion and take two decades.
NASA/JPL-Caltech/ASUNASA's original proposal for the Mars Sample Return is "mind-bendingly complicated," David Parker, director of space exploration at the European Space Agency, said in 2021.
AdvertisementAn illustration shows a concept of how NASA's Mars Sample Return mission would launch Perseverance's samples from the surface of Mars.
At the current price tag, Mars Sample Return would "cannibalize" other NASA missions, Nelson said.
Persons:
—, Nicola Fox, We're, David Parker, Bill Nelson, Nelson, Fox, Lockheed Martin, Northrop, We've, that's
Organizations:
NASA, Service, Mars Express, ESA, JPL, Caltech, ASU, European Space Agency, Lockheed, Northrop Grumman, Boeing, SpaceX
Locations:
Berlin, Mars