Image of the DayThis image of an area on the surface of Mars, approximately 1.5 by 3 kilometers in size, shows frosted gullies...The sun emitted a significant solar flare, an X1.8, peaking at 7:28 p.m. EST on Dec. 19, 2014. NASA’s Solar...This sprinkle of cosmic glitter is a blue compact dwarf galaxy known as Markarian 209. Galaxies of this type are...December 20, 2014 marks NASA Ames Research Center's 75th Anniversary.City lights shine brighter during the holidays when compared with the rest of the year, as shown using a new...From the International Space Station, Expedition 42 Flight Engineer Terry W. Virts took this photograph of the Gulf of Mexico...NASA's Mars Exploration Rover Opportunity is continuing its traverse southward on the western rim of Endeavour Crater during the fall...A representative test article of a futuristic hybrid wing body aircraft was unloaded from the Super Guppy on Thursday, Dec....Late spring and summer weather brings blooms of color to the Atlantic Ocean off of South America, at least from...From the International Space Station, Expedition 42 Flight Engineer Barry Wilmore took this photograph of the Great Lakes and central...This evenly layered rock photographed by the Mast Camera (Mastcam) on NASA's Curiosity Mars Rover shows a pattern typical of...NASA's Orion spacecraft awaits the U.S. Navy's USS Anchorage for a ride home.The United Launch Alliance Delta IV Heavy rocket with NASA’s Orion spacecraft mounted atop, lifts off from Cape Canaveral Air...The United Launch Alliance Delta IV Heavy rocket, with NASA’s Orion spacecraft mounted atop, lifts off from Cape Canaveral Air...A United Launch Alliance Delta IV Heavy rocket with NASA’s Orion spacecraft mounted atop is seen after the Mobile Service...NASA’s Orion spacecraft, mounted atop a United Launch Alliance Delta IV Heavy rocket, is visible inside the Mobile Service Tower...NASA is developing the capabilities needed to send humans to an asteroid by 2025 and Mars in the 2030s –...With access doors at Space Launch Complex 37 opened, the Orion and Delta IV Heavy stack is visible in its...Black Hole FridayThe International Space Station’s 3-D printer has manufactured the first 3-D printed object in space, paving the way to future...The Webb telescope's secondary mirror is labeled "OTE secondary mirror" is seen at the end of the tripod stretching out...Magnetic fields emerging through the solar surface control the sun’s weather, including atmospheric dynamics and the ejection of high-energy particles...The puzzling, fascinating surface of Jupiter’s icy moon Europa looms large in this newly-reprocessed color view, made from images taken...The Soyuz TMA-15M rocket launches from the Baikonur Cosmodrome in Kazakhstan on Monday, Nov. 24, 2014 as seen in this...The Soyuz TMA-15M spacecraft is rolled out to the launch pad by train on Friday, Nov. 21, 2014 at the...On Nov. 20, 2004, NASA's Swift spacecraft lifted off from Cape Canaveral Air Force Station, Fla., beginning its mission to...NASA's green aviation project is one step closer to developing technology that could make future airliners quieter and more fuel-efficient...A long observation with Chandra of the supernova remnant MSH 11-62 reveals an irregular shell of hot gas, shown in...Nature is an artist, and this time she seems to have let her paints swirl together a bit.A new book released this week highlights how the view from space with Earth-orbiting sensors is being used to protect...The Philae lander of the European Space Agency's Rosetta mission is safely on the surface of Comet 67P/Churyumov-Gerasimenko, as these...At NASA's Kennedy Space Center in Florida, the agency's Orion spacecraft passes the spaceport's iconic Vehicle Assembly Building as it...Expedition 41 Flight Engineer Alexander Gerst of the European Space Agency (ESA), left, Commander Max Suraev of the Russian Federal...NASA Astronaut Reid Wiseman shared this image of Yellowstone via his twitter account this morning. Wiseman later tweeted: "We cranked...An active region on the sun emitted a mid-level solar flare, peaking at 4:47 a.m. EST on Nov. 5, 2014....Four recently-installed protective panels make up Orion's Ogive. The Ogive reduces drag and acoustic load on the crew module, making...A potent weather system with origins in Manitoba, Canada moved south across the Great Lakes on Halloween and blew all...Glaciers and mountains in the evening sun are seen on an Operation IceBridge research flight, returning from West Antarctica on...This near-infrared, color mosaic from NASA's Cassini spacecraft shows the sun glinting off of Titan's north polar seas.This Chandra X-ray Observatory image of the Hydra A galaxy cluster was taken on Oct. 30, 1999, with the Advanced...