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Without new landers or rovers, it's helicopters or bust for NASA's Mars program

NASA's cost estimate for SR-1 Freedom is $2.1 billion, but that doesn't include the helicopters.

Wildfire forces evacuation of NASA's Deep Space Network complex in Spain

"Any potential damage will be assessed when it is safe to do so."

NASA's Psyche spacecraft returns unfamiliar views of a familiar world

"As a bonus, it captured Mars images from a rare perspective."

Engineers at NASA's Jet Propulsion Lab make a breakthrough in rotor technology

Testing shows rotor blades won't disintegrate when they spin at supersonic speed.