In early Martian summer, at the time NASA’s Mars Reconnaissance Orbiter acquired this image, the dunes are almost free of their seasonal ice cover. via NASA https://ift.tt/2HncivW

The Soyuz rocket is rolled out by train to the launch pad, Monday, June 4, 2018, at the Baikonur Cosmodrome in Kazakhstan. via NASA https://ift.tt/2Lis79M

The Soyuz MS-07 spacecraft is seen as it lands with Expedition 55 crew members Anton Shkaplerov of Roscosmos, Scott Tingle of NASA, and Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) near the town of Zhezkazgan, Kazakhstan on Sunday, June 3, 2018. via NASA https://ift.tt/2sCdHts

See a jet stream speeding through Jupiter’s atmosphere in this new view taken by NASA’s Juno spacecraft. via NASA https://ift.tt/2Lb4CPM

This image from NASA’s Mars Reconnaissance Orbiter shows Hale Crater, a large impact crater. via NASA https://ift.tt/2xEBCOL

Astronomers have discovered evidence for thousands of black holes located near the center of our Milky Way galaxy using data from NASA’s Chandra X-ray Observatory. via NASA https://ift.tt/2LI5Tz7

An active region rotated into view and sputtered with numerous small flares and towering magnetic field lines that stretched out many times the diameter of Earth. via NASA https://ift.tt/2kvu6vY

The swirling spiral to the lower left of the frame is far from the most interesting spectacle here — behind it sits a galaxy cluster. via NASA https://ift.tt/2xexaWF

This close-up image is of a 2-inch-deep hole produced using a new drilling technique for NASA’s Curiosity rover. The hole is about 0.6 inches (1.6 centimeters) in diameter. This image was taken by Curiosity’s Mast Camera (Mastcam) on Sol 2057. via NASA https://ift.tt/2x8O5d9

The GRACE Follow-On spacecraft launched onboard a SpaceX Falcon 9 rocket, Tuesday, May 22, 2018. via NASA https://ift.tt/2knuFI1