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The Small Mars System is one of a few ideas that have been presented for exploring Mars using a drone. In 2015, NASA's Jet Propulsion Laboratory released information about a proof-of-concept technology demonstration called the Mars Helicopter. | NASA/JPL
Exploration

How a Helicopter Drone Could Fly on Mars

A European Space Agency-funded program aims to deploy an autonomous drone that could conduct low-altitude flights over the Red Planet.

May 8, 2017
7:53 AM EDT
The only aerial imaging of Mars we receive regularly is through orbital vehicles such as the Mars Reconnaissance Orbiter, shown here in an artist's concept. | NASA