Image of the DayThe Crab Nebula is the shattered remnant of a massive star that ended its life in a supernova explosion. Nearly...On March 29, 2007, the Shiveluch Volcano on the Russian Federation's Kamchatka Peninsula erupted, sending an ash cloud skyward roughly...Was Saturn's moon, Phoebe, once a comet? Images from Cassini, taken when the spacecraft entered the neighborhood of Saturn, indicate...This view inside of the Italian-built Harmony Node 2 was taken soon after its arrival at Kennedy Space Center. The...NASA Administrator Sean O'Keefe visits Arlington National Cemetery on February 1, 2005, to lay a wreath honoring the crew of...The first images from NASA's Opportunity rover reveal what scientists are calling a "bizarre, alien landscape" at the landing site,...Over time, natural processes like floods and volcanoes deposit layers of rock on the Earth's surface and to delve through...Since the spring of 2005, the U.S. Geological Survey's Alaska Volcano Observatory has detected increasing volcanic unrest at Augustine Volcano...In the South Pacific, south of Late Island along the Tofua volcanic arc in Tonga, the volcanic island Home Reef...Expedition 13 Commander Pavel Vinogradov and Flight Engineer Jeff Williams began their mission Wednesday at 9:30 p.m. EST, as they...In this 1957 photo, engineers at the Lewis Flight Propulsion Laboratory (now NASA's Glenn Research Center) check a model of...The Esperanza Fire started on Oct. 26 in the dry brush near Palm Springs, Calif. By the time it was...American astronomer Clyde Tombaugh discovered Pluto, the ninth planet in our solar system, on February 18, 1930. Many key questions...On October 1, 2005, El Salvador's Santa Ana Volcano, also known as the Ilamatepec Volcano, erupted for the first time...These shape-shifting galaxies have taken on the form of a giant mask. The icy blue eyes are actually the cores...Shooting like a roman candle into Florida's blue sky from Launch Pad 39B, Space Shuttle Discovery kicked off the Fourth...Natalya Koroleva, daughter of the late Sergei Pavlovich Korolev, head Soviet rocket engineer and designer, poses for a photograph at...Vivid colors belie the arid landscape of northern Chile where the Atacama Desert, one of the world's driest, meets the...In the 1950s, oil exploration in Libya turned up another valuable resource: water. Huge aquifers, underground deposits of sand and...This enhanced-color view shows gullies in an unnamed crater in the Terra Sirenum region of Mars. The image was taken...This artist's concept shows the view from Cassini during the star occultation that detected "Mittens," the small object to the...Over 120 million years ago, a single mass of granite punched through the Earth's crust and intruded into the heart...Like a roman candle shooting through the blue sky, the launch of Space Shuttle Discovery on mission STS-121 kicks off...How did this unusual Martian rock form? This atypical two-toned rock was photographed in March 2007 by Mars Exploration Rover...Like swirls of paint on an enormous canvas, shallow lakes, mudflats, and salt marshes share the sinuous valleys on Iran's...This 1991 image from NASA's Hubble Space Telescope captures a small section of the Cygnus Loop supernova remnant. The Cygnus...Hinode, a collaborative mission of the space agencies of Japan, the United States, United Kingdom and Europe, captured these very...Recent Cassini images of Saturn's moon Enceladus backlit by the sun show the fountain-like sources of the fine spray of...In this Spitzer Space Telescope image, the two opposing bubbles are being formed in opposite directions by the powerful outflows...This intriguing image of the intriguing ladder-like structures surrounding a dying star reveals startling new details of one of the...Io is a colorful place. The closest large moon of Jupiter, Io has the most volcanic activity of any moon...Landsat 7's Enhanced Thematic Mapper Plus (ETM+) sensor captured this image or Ecuador's Mount Chimborazo on September 16, 2001. Snowcapped...NASA senior managers completed a detailed review of space shuttle Discovery's readiness for flight and selected Oct. 23, 2007, as...Two decades ago, astronomers spotted one of the brightest exploding stars in more than 400 years. Since that first sighting,...JPL leads in the development of the ATHLETE (All-Terrain Hex-Legged Extra-Terrestrial Explorer) robotic vehicle. Other members of the team include...The Spirit rover attacked Mars again in September 2005. However, what might look like a military attack was once again...While on final approach for its September 2007 close encounter with Saturn's moon Iapetus, Cassini spun around to take in...On Tuesday, Jan. 6, 1998, at 9:28 p.m. EST, NASA's Lunar Prospector spacecraft climbed into the sky above Cape Canaveral...Variable star V838 Monocerotis lies near the edge of the Milky Way Galaxy, about 20,000 light-years from our sun. Still,...As Spirit descended onto Mars' surface on Jan. 3, it performed a series of entry, descent and landing actions, leaving...
