Image of the DayIn July 2015, researchers announced the discovery of a black hole that grew much more quickly than its host galaxy....This curious galaxy — only known by the seemingly random jumble of letters and numbers 2MASX J16270254+4328340 — has been...NASA's three WB-57s fly over foggy downtown Houston, Texas during their historic formation flight over the area on Nov. 19,...The springtime phytoplankton communities shown in this image were spotted between the Falkland Islands to the west and South Georgia...This image of the northwest corner of Australia was snapped by a student on Earth after remotely controlling the Sally...The Apollo 12 Lunar Module (LM), in a lunar landing configuration, is photographed in lunar orbit from the Command and...Early November 2015 brought cloudy skies and intriguing patterns over the Prince Edward Islands in the South Indian Ocean. The...Although Dione (near) and Enceladus (far) are composed of nearly the same materials, Enceladus has a considerably higher reflectivity than...NASA astronaut Kjell Lindgren took this photograph on Nov. 11, 2015 from the International Space Station. Lindgren wrote, "The delicate...This March 27, 2015, view from the Mast Camera (Mastcam) on NASA's Curiosity Mars rover shows a site with a...New Horizons scientists made this false color image of Pluto using a technique called principal component analysis to highlight the...NASA salutes our country's veterans this Veteran's Day. In this image, John Young, astronaut and Navy veteran, salutes the U.S....On Nov. 6, 2015, NASA astronauts Scott Kelly and Kjell Lindgren spent 7 hours and 48 minutes working outside the...Ophir Chasma forms the northern portion of the vast Mars canyon system Valles Marineris, and this image, acquired on Aug....The Orion spacecraft service module stacking assembly interface ring and stack holding stand are secured on a special transportation platform...NASA's Armstrong Flight Research Center engineers are working on an increasingly complex aircraft called the Preliminary Research Aerodynamic Design to...Tropical Cyclone Chapala made landfall on mainland Yemen early on November 3, 2015, dumping torrential rains across the arid landscape.NASA is developing and demonstrating technologies to service and repair satellites in distant orbits. This photo looks closely at one...On Nov. 2, 2000, the Expedition 1 crew - Commander William M. (Bill) Shepherd of NASA and Flight Engineer Sergei...This unprocessed "raw" image of Saturn's icy, geologically active moon Enceladus was acquired by NASA's Cassini spacecraft during its dramatic...Expedition 45 Commander Scott Kelly took this photograph during a spacewalk on Oct. 28, 2015. Sharing the image on social...Damaging heavy rains fell on South Carolina in the southeastern United States at the beginning of October 2015. Much of...Expedition 45 Commander Scott Kelly tries on his spacesuit for a fit check inside the U.S. Quest airlock of the...Enceladus is a world divided. To the north, the terrain is covered in impact craters, much like other icy moons.This image shows the galaxy Messier 94, which lies in the small northern constellation of the Hunting Dogs, about 16...The galaxy cluster MS 0735.6+7421 is home to one of the most powerful eruptions ever observed. X-rays detected by NASA's...NASA is unveiling mosaics of Pluto and its largest moon Charon, representing the global response to its popular “#PlutoTime” social...On Oct. 12-13, 2015, NASA astronaut Scott Kelly shared a series of seventeen photographs taken from the International Space Station...Just before the 15th anniversary of continuous human presence on the International Space Station on Nov. 2, 2015, U.S. astronaut...On Oct. 15 1997, a seven-year journey to the ringed planet Saturn began with the liftoff of a Titan IVB/Centaur...The dark area across the top of the sun in this image is a coronal hole, a region on the...Although Mimas and Pandora, shown here, both orbit Saturn, they are very different moons.NASA astronaut Scott Kelly captured this photograph from the International Space Station on Oct. 7, 2015. Sharing with his social...Pluto’s haze layer shows its blue color in this picture taken by the New Horizons Ralph/Multispectral Visible Imaging Camera (MVIC)....The High Resolution Imaging Science Experiment (HiRISE) camera aboard NASA's Mars Reconnaissance Orbiter often takes images of Martian sand dunes...As NASA missions to Mars progress with science and complex human exploration missions, spacecraft will require larger heat shields to...The Space Shuttle Challenger launches from Florida at dawn. On this mission, Kathryn Sullivan became the first U.S. woman to...NASA Astronaut Scott Kelly captured this photo on Oct. 2, 2015, from the International Space Station and wrote on Twitter,...NASA's New Horizons spacecraft captured this high-resolution enhanced color view of Charon just before closest approach on July 14, 2015....Galaxy clusters are often described by superlatives. After all, they are huge conglomerations of galaxies, hot gas, and dark matter...