After entering orbit around Jupiter on July 4, the spacecraft's camera, JunoCam, has begun to send images like the one above back to Earth. Pictured here are Jupiter and three of its moons.
Courtesy of NASA
Congress is requiring NASA to travel to Jupiter's moon Europa by 2022. Currently, it is the space agency's only new mission planned for the outer solar system.
The last remaining space shuttle external propellant tank is moved across the 405 freeway in Los Angeles on Saturday. The ET-94 will be displayed with the retired space shuttle Endeavour at the California Science Center.
This artist's concept depicts some of the planetary discoveries made by NASA's Kepler Space Telescope. Tuesday's announcement more than doubles the number of verified planets discovered by the Kepler mission.
A Martian gravity map shows the Tharsis volcanoes and surrounding flexure. The white areas in the center are higher-gravity regions produced by the massive Tharsis volcanoes, and the surrounding blue areas are lower-gravity regions that may be cracks in the crust (lithosphere).
MIT/UMBC-CRESST/GSFC via NASA
NASA has set a new launch opportunity, beginning May 5, 2018, for the InSight mission to Mars. This artist's concept depicts the InSight lander on Mars after the lander's robotic arm has deployed a seismometer and a heat probe directly onto the ground.
Expedition 43 NASA astronaut Scott Kelly (left) and his identical twin, Mark Kelly, pose for a photograph in 2015 at the Cosmonaut Hotel in Baikonur, Kazakhstan.
Bill Ingalls/NASA/Getty Images
A camera in the gondola of his balloon photographs Air Force Captain Joseph M. Kittinger Jr., as he starts the jump that set his record-breaking parachute jump over southern New Mexico on Aug. 8, 1960.