Image of the DayTogether with irregular galaxies, spiral galaxies make up approximately 60 percent of the galaxies in the local universe. However, despite...Operation IceBridge, NASA's airborne survey of polar ice, has returned from the Umanaq B mission along Greenland's western coast. This...ESA astronaut Tim Peake photographed the SpaceX Dragon cargo craft as it undocked from the International Space Station on May...NASA's Aqua satellite captured this image of the clouds over Canada on May 9, 2016. Entwined within the clouds is...The planet Mercury is seen in silhouette, lower third of image, as it transits across the face of the sun...Shown in this Hubble Space Telescope image, NGC 4394 is the archetypal barred spiral galaxy, with bright spiral arms emerging...Astronaut Alan B. Shepard Jr., in his silver pressure suit with the helmet visor closed, prepares for his Mercury Redstone...The Nili Fossae region, located on the northwest rim of Isidis impact basin, is one of the most colorful regions...Expedition 47 Flight Engineer Jeff Williams of NASA captured this detailed photograph from the International Space Station during a daytime...An engineer guides the upper dome of a Boeing CST-100 Starliner as it is connected to the lower dome to...The water-world Enceladus appears here to sit atop Saturn's rings like a drop of dew upon a leaf. Even though...Inside the clean room at NASA's Goddard Space Flight Center, the golden James Webb Space Telescope is viewed from overhead...The Orion spacecraft crew module for Exploration Mission-1 (EM-1) is lifted into a test stand for pressure testing in the...This mid-afternoon, 360-degree panorama was acquired by the Mast Camera (Mastcam) on NASA's Curiosity Mars rover on April 4, 2016,...This illustration shows a star surrounded by a protoplanetary disk. A new study uses data from NASA's Spitzer Space Telescope...The Operational Land Imager (OLI) on NASA's Landsat 8 satellite acquired this large natural-color image showing a wide view of...This Earth observation composite image from the International Space Station captures morning sunglint and low clouds over the central Pacific...A prototype 13-kilowatt Hall thruster is tested at NASA's Glenn Research Center in Cleveland. This prototype demonstrated the technology readiness...A view from below in High Bay 3 inside the Vehicle Assembly Building at NASA’s Kennedy Space Center shows three...One of dozens of high-powered rockets lifts off on April 16, 2016, during NASA's 16th annual Student Launch challenge, held...A sinuous feature snakes northward from Enceladus' south pole like a giant tentacle.This image of early ice breakup of the Beaufort Sea, north of Alaska, was taken by the Suomi NPP satellite's...The rear wheels of the space shuttle orbiter Columbia touched down on Rogers dry lake at Edwards Air Force Base,...Expedition 47 Commander Tim Kopra of NASA captured this brightly lit night image of the city of Chicago on April...An Air Force Test Pilot School T-38C passes in front of the sun at a supersonic speed, creating shockwaves that...It's difficult to get a sense of scale when viewing Saturn's rings, but the Cassini Division (seen here between the...Expedition 47 Flight Engineer Tim Peake of ESA took this photograph on April 6, 2016, as the International Space Station...Twenty-five years ago, NASA launched the Compton Gamma Ray Observatory, an astronomical satellite that transformed our knowledge of the high-energy...Astronomers have uncovered a near-record breaking supermassive black hole in an unlikely place: in the center of a galaxy in...The Gulf Stream waters flow in somewhat parallel layers, slicing across what is otherwise a fairly turbulent western North Atlantic...Expedition 47 Flight Engineer Tim Peake of ESA took this striking photograph of the moon from his vantage point aboard...Engineers at NASA's Johnson Space Center in Houston are evaluating how crews inside a mockup of the Orion spacecraft interact...Peering deep into the dusty heart of our Milky Way galaxy using infrared vision, NASA’s Hubble Space Telescope reveals a...During an International Space Station flyover of Australia, NASA astronaut Jeff Williams captured a colorful image of the coast and...The Oceans Melting Greenland (OMG) field campaign team is flying NASA’s G-III aircraft at about 40,000 feet. On a clear...The turbulent atmosphere of a hot, gaseous planet known as HD 80606b is shown in this simulation based on data...This cosmic kaleidoscope of purple, blue and pink marks the site of two colliding galaxy clusters.Alluvial fans are gently-sloping wedges of sediments deposited by flowing water. Some of the best-preserved alluvial fans on Mars are...A United Launch Alliance Atlas V rocket carrying Orbital ATK's Cygnus spacecraft on a resupply mission to the International Space...The Cygnus spacecraft sits on top of an Atlas V rocket ready for launch to the International Space Station on...
