This galaxy, known as NGC 6503, has found itself in a lonely position, at the edge of a strangely empty patch of space called the Local Void. via NASA http://ift.tt/1KVKpau

Like most moons in the solar system, Tethys is covered by impact craters. Some craters bear witness to incredibly violent events, such as the crater Odysseus (seen here at the right of the image). The image was taken in visible light with the Cassini spacecraft narrow-angle camera on April 11, 2015. via NASA http://ift.tt/1B0azJc

ESA astronaut Samantha Cristoforetti checks her Sokol pressure suit in preparation for the Expedition 43 crew’s departure from the International Space Station after 6 1/2 months in space. Cristoforetti now holds the record for the longest single spaceflight for a woman, a record previously held by NASA astronaut Sunita Williiams. via NASA http://ift.tt/1RYsEf5

The HiRISE camera aboard NASA’s Mars Reconnaissance Orbiter acquired this closeup image of a “fresh” (on a geological scale, though quite old on a human scale) impact crater in the Sirenum Fossae region of Mars on March 30, 2015. This impact crater appears relatively recent as it has a sharp rim and well-preserved ejecta. via NASA http://ift.tt/1H8Lm0g

This photograph of the Florida Straits and Grand Bahama Bank was taken during the Gemini IV mission during orbit no. 19, on June 4, 1965. The Gemini IV crew conducted scientific experiments, including photography of Earth’s weather and terrain, for the remainder of their four-day mission following Ed White’s historic spacewalk on June 3. via NASA http://ift.tt/1czMbCq

For 50 years, NASA has been “suiting up” for spacewalking. In this Feb. 7, 1984 photograph of the first untethered spacewalk, NASA astronaut Bruce McCandless is in the midst of the first “field” tryout of a nitrogen-propelled backpack device called the Manned Maneuvering Unit (MMU). via NASA http://ift.tt/1K9NJRo

Surveyor 1, the first of the Surveyor missions to make a successful soft landing, proved the validity of the spacecraft’s design and landing technique. In addition to transmitting more than 11,000 pictures, Surveyor sent information on the bearing strength of the lunar soil, the radar reflectivity and temperature. via NASA http://ift.tt/1I9sRr5

The second flight test of NASA’s Low-Density Supersonic Decelerator (LDSD) will be attempted on Tuesday, June 2, launching a rocket-powered, saucer-shaped test vehicle into near-space from the Pacific Missile Range Facility on the island of Kauai in Hawaii. At launch time, a giant balloon will carry the test vehicle to an altitude of 120,000 feet. via NASA http://ift.tt/1ctFqSv

This NASA/ESA Hubble Space Telescope image presents the Arches Cluster, the densest known star cluster in the Milky Way. via NASA http://ift.tt/1FHM6qV

This parachute testing for NASA’s InSight mission to Mars was conducted inside the world’s largest wind tunnel, at NASA Ames Research Center, Moffett Field, California, in February 2015. via NASA http://ift.tt/1dzEQnH