An age-defying star designated as IRAS 19312+1950 (arrow) exhibits features characteristic of a very young star and a very old star. The object stands out as extremely bright inside a large, chemically rich cloud of material, as shown in this image from NASA’s Spitzer Space Telescope. via NASA http://ift.tt/2bMlE8G

Jupiter’s north polar region is coming into view as NASA’s Juno spacecraft approaches the giant planet. This view of Jupiter was taken on August 27, when Juno was 437,000 miles (703,000 kilometers) away. The Juno mission successfully executed its first of 36 orbital flybys of Jupiter. via NASA http://ift.tt/2bIW01K

NASA research mathematician Katherine Johnson is photographed at her desk at Langley Research Center. Born on Aug. 26, 1918, in White Sulphur Springs, WV, Johnson worked at Langley from 1953 until her retirement in 1986, making critical technical contributions which included calculating the trajectory of Alan Shepard’s historic 1961 flight. via NASA http://ift.tt/2bThBp5

To celebrate the centennial of the U.S National Park Service, Expedition 48 Commander Jeff Williams of NASA has taken hundreds of images of national parks from his vantage point in low Earth orbit, aboard the International Space Station. Here, a series of Williams’ photographs are assembled into this composite image of the Grand Canyon. via NASA http://ift.tt/2bA2l1U

On Aug. 24, 2016, Station Commander Jeff Williams passed astronaut Scott Kelly, also a former station commander, for most cumulative days living and working in space by a NASA astronaut (520 days and counting). Williams is scheduled to land Sept. 6, 2016, for a record total of 534 days in space. via NASA http://ift.tt/2bnkEWE

Expedition 48 Commander Jeff Williams (shown here) and Flight Engineer Kate Rubins of NASA successfully installed the first of two international docking adapters Friday Aug. 19, 2016, during a five hour and 58-minute spacewalk. On Sept. 1, the two astronauts will spacewalk outside the space station for the second time in less than two weeks. via NASA http://ift.tt/2bcild3

Dione reveals its past via contrasts in this view from NASA’s Cassini spacecraft. via NASA http://ift.tt/2bpUFzx

As NASA celebrates National Aviation Day, the agency’s innovators are working to transform air transportation to meet the future needs of the global aviation community. The agency is embarking on a 10-year plan, New Aviation Horizons, that will see NASA field a number of experimental aircraft to demonstrate 21st century ideas for flight. via NASA http://ift.tt/2bjfrkf

Welders inside a large liquid hydrogen tank for NASA’s Space Launch System at the Michoud Assembly Facility in New Orleans are plugging holes left after the tank was assembled. via NASA http://ift.tt/2b3ycaU

A new look at the debris from an exploded star in our galaxy has astronomers re-examining when the supernova actually happened. via NASA http://ift.tt/2aZURrp