AmericaSpace Launch Countdown

Next Launch Luch-5V on a Proton-M rocket from Baikonur Cosmodrome, Kazakhstan scheduled for 28 Apr 14 4:25:00 GMT

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Cassini Image May Reveal Historic Birth of Icy Saturn Moon

From NASA/JPL: “The disturbance visible at the outer edge of Saturn’s A ring in this image from NASA’s Cassini spacecraft could be caused by an object replaying the birth process of icy moons.” Image Credit: NASA/JPL-Caltech/Space Science Institute

The Cassini spacecraft, a flagship-class mission that is a cooperative project between NASA, the European Space [...]

The Sea of Enceladus: Cassini Confirms Underground Ocean on Saturn's Geyser Moon

Diagram of what the interior of Enceladus is now thought to look like, with the icy outer shell, liquid water ocean, and inner rocky core. Image Credit: NASA / JPL-Caltech

Coming just after the news of the ringed asteroid and new dwarf planet, some more exciting news from the outer Solar System was announced [...]

Surprise Discovery: Rings Around an Asteroid!

Artist’s conception of the asteroid Chariklo with its ring system. Image Credit: ESO/L. Calçada/M. Kornmesser/Nick Risinger (skysurvey.org)

When it comes to planetary rings, what do you think of? Saturn is the first obvious thing that comes to mind, with its famous majestic ring system surrounding the gas giant planet. The other gas and ice [...]

Probing the Surfaces of Alien Waters: Cassini Reveals Possible Evidence of Waves on Seas of Titan

An image of Kivu Lacus, a small lake on Titan’s northern hemisphere, taken in infrared wavelengths in July 2012 with Cassini’s VIMS instrument from a distance of approximately 30,000 km. The bright spot indicates a specular reflection of sunlight from the surface of Kivu Lacus, which could result from the formation of waves. Image [...]

Cassini Reveals Saturn in Stunning 400,000-Mile-Wide Natural-Color Panoramic Mosaic

NASA’s Cassini spacecraft took this natural-color portrait on July 19, 2013, which is the first image to show Saturn, its moons, and rings, plus Earth, Venus, and Mars, all together. Image and Caption Credit: NASA/JPL-Caltech/SSI

For nearly 10 years NASA’s Cassini spacecraft has been delivering a wealth of valuable science about Saturn, exploring the [...]

That Friday Feelin': New Horizons to Pass Key Distance Milestone Today on Journey to Pluto

With 5 Astronomical Units of distance and just 90 weeks to go, New Horizons is primed and ready for its July 2015 rendezvous with Pluto. Image Credit: NASA

Friday is almost universally recognized as an indicator that the weekend draws inexorably closer … but for NASA’s New Horizons spacecraft, today will mark a milestone [...]

Cassini Spacecraft Discovers Plastic Ingredients on Saturn's Moon Titan

Saturn’s largest moon, Titan, as photographed by NASA’s Cassini spacecraft. Photo Credit: NASA/JPL-Caltech

NASA’s Cassini spacecraft, which has been exploring Saturn and its many moons (roughly 60 discovered so far) since 2004, recently discovered an ingredient on the moon Titan that is very common here on Earth, one which is probably in your kitchen [...]

Spitzer Space Telescope Celebrates 10 Years of Astronomical Discovery

The infrared vision of NASA’s Spitzer Space Telescope has revealed that the Sombrero galaxy—named after its appearance in visible light to a wide-brimmed hat—is in fact two galaxies in one. Image Credit: NASA/JPL-Caltech

Ten years ago tonight, NASA’s fourth “Great Observatory”—the Space Infrared Telescope Facility (SIRTF)—was boosted into orbit from Cape Canaveral Air Force [...]

Gravity Controls Enigmatic Moon's Geysers

These images from NASA’s Cassini spacecraft show how the pull of the planet affects the amount of material ejected by geysers on Saturn’s moon Enceladus. It turns out that the moon launches more spray when it is farther away from Saturn. Image Credit: NASA/JPL-Caltech/University of Arizona/Cornell/SSI

Saturn’s 314-mile-wide icy moon Enceladus has been teasing [...]

Comet ISON Fizzes Like a Soda Pop

Photo Credit: NASA / SST

Coming soon to a region of space near you: comet ISON, which is expected to put on a spectacular show toward the end of the year. Currently, ISON is about 258 million miles from the Sun, between the orbits of Jupiter and Mars. Its tail already stretches out more than three-quarters of [...]