Mars 2020 rover
Europa lander
Screen Shot 2018-05-03 at 1.50.40 PM
Jim Green
The Department of Energy's Oak Ridge National Laboratory in Tennessee has begun producing plutonium-238, but full-scale production of the spacecraft fuel isn't expected until 2023 at the earliest. Credit: Oak Ridge National Laboratory
JWST Program Scientist John Mather speaking at NASA Headquarters event in 2014 in front of an animation of the 6.5-meter infrared telescope. Photo Credit: NASA/Joel Kowsky
NASA's Jim Green, director of planetary science. Credit: NASA/Aubrey Gemignani
Plutonium-238 pellet
John Grunsfeld speaking at a July 24 conference about recent Pluto discoveries. Credit: NASA
Credit: NASA, Bill Ingalls
Artist's concept of ESA's Jupiter Icy Moons, or Juice, mission. Credit: Airbus
Alan Stern's coffee cup. Stern is the principle investigator for NASA's New Horizons mission, which launched in 2006 en route to a historic 2015 Pluto flyby. Credit: Alan Stern
Io, as seen from the Galileo probe. Credit: NASA/JPL

Load Morearrow