The X-59 Quiet SuperSonic Technology, or QueSST, wing assembly is lifted by a crane and moved to another area of the manufacturing floor in preparation for wing skin installation. http://www.nasa.gov/sites/default/files/thumbnails/image/p19-325-010.jpg

The Soyuz MS-16 lifts off from Site 31 at the Baikonur Cosmodrome in Kazakhstan on Thursday, April 9, 2020. http://www.nasa.gov/sites/default/files/thumbnails/image/shl_5284.jpg

Apollo 13 launched on April 11, 1970, on a journey to become the third crew to land on the Moon. The crew never made it. http://www.nasa.gov/sites/default/files/thumbnails/image/s70-31774_orig.jpg

This image shows sample site Nightingale Crater, OSIRIS-REx’s primary sample collection site on asteroid Bennu. http://www.nasa.gov/sites/default/files/thumbnails/image/nightingale_1.png

This artist's illustration shows what Kepler-1649c could look like from its surface. http://www.nasa.gov/sites/default/files/thumbnails/image/product_2.jpg

NASA astronaut Jessica Meir gives a thumbs up after she, Roscosmos cosmonaut Oleg Skripochka and NASA astronaut Andrew Morgan landed in their Soyuz MS-15. http://www.nasa.gov/sites/default/files/thumbnails/image/49784308837_e185aab93a_k.jpg

Fifty years ago, on April 22, 1970, people around the world marked the first Earth Day. http://www.nasa.gov/sites/default/files/thumbnails/image/as17-148-22727_lrg_0.jpg

This image shows a small portion of the Gulf Stream off of South Carolina as it appeared in infrared data collected by the Landsat 8 satellite in April 2013. http://www.nasa.gov/sites/default/files/thumbnails/image/gulfstream_tir_2013099_lrg.jpg

This image is one of several global images of the Earth at night released in 2017. http://www.nasa.gov/sites/default/files/thumbnails/image/blackmarble_2016_americas_composite.png

On the northwestern coast of Madagascar, the salty waters of the Mozambique Channel penetrate inland to join with the freshwater outflow of the Betsiboka River, forming Bombetoka Bay. http://www.nasa.gov/sites/default/files/thumbnails/image/bombetoka_aster_23aug00_lrg.jpg

The Susquehanna River cuts through the folds of the Valley-and-Ridge province of the Appalachian Mountains in this photograph taken by the crew of the International Space Station. http://www.nasa.gov/sites/default/files/thumbnails/image/iss061e098033_lrg.jpg

On Friday, April 24, 2020, NASA Administrator Jim Bridenstine visited the White House to brief President Trump on NASA's fight to alleviate COVID-19. http://www.nasa.gov/sites/default/files/thumbnails/image/p20200424sc-1048.jpg

On April 25, 1990, the Hubble Space Telescope was deployed from the cargo bay of space shuttle Discovery. http://www.nasa.gov/sites/default/files/thumbnails/image/s31-03-009.jpg

The Mars Helicopter, a small, autonomous rotorcraft, will travel with NASA's Mars Perseverance rover, currently scheduled to launch in July 2020. http://www.nasa.gov/sites/default/files/thumbnails/image/helicopter20180511_0.jpg

Dark matter, although invisible, makes up most of the universe’s mass and creates its underlying structure. http://www.nasa.gov/sites/default/files/thumbnails/image/macs_j1149-2223.jpg

Sang Choi has worked for NASA for nearly 40 years. Since beginning work at the Langley Research Center in October 1980, Choi has received 71 awards from the agency. http://www.nasa.gov/sites/default/files/thumbnails/image/sang_choi_larc_0.jpg

It's Teacher Appreciation Week and teachers and space travel go hand-in-hand. http://www.nasa.gov/sites/default/files/thumbnails/image/26788065189_b9244802f1_k.jpg

This composite of the Crab Nebula was made with data from the Chandra X-Ray Observatory (blue and white), Hubble Space Telescope (purple), and Spitzer Space Telescope (pink). http://www.nasa.gov/sites/default/files/thumbnails/image/crab_lg.jpg

Blooming roses at the Armstrong Flight Research Center highlighting the Bell X-IE aircraft. http://www.nasa.gov/sites/default/files/thumbnails/image/95798098_10217556926263413_8433257139979419648_o.jpg

Several hundred million years ago, two galaxy clusters collided and then passed through each other. http://www.nasa.gov/sites/default/files/thumbnails/image/a2384_lg.jpg