AmericaSpace Launch Countdown

Next Launch ATV-5 on a Ariane 5 rocket from Kourou, French Guiana scheduled for 29 Jul 14 23:47:38 GMT

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NASA's Comet-Chasing Deep Impact Mission Is No More

An artist’s concept of the Deep Impact spacecraft flying past a comet. Image Credit: NASA/JPL/UMD/Pat Rawlings

Nine years ago NASA launched a spacecraft to do something that had never been done at any point in recorded history: to visit a comet and punch a hole in its face to investigate the surface and interior composition [...]

Ultimate Pathfinder: NASA's Voyager Spacecraft Enters Interstellar Space

NASA’s Voyager spacecraft has entered interstellar space, marking the first active probe to do so. The announcement was made Sept. 12, 2013. Image Credit: NASA

NASA announced today under much fanfare that the agency’s Voyager 1 spacecraft, which launched from Cape Canaveral Air Force Station over three decades ago, has entered interstellar space, becoming the [...]

Older and WISE-r: WISE Making a Comeback in September to Fuel Asteroid Initiative

An artist’s concept shows the Wide-field Infrared Survey Explorer (WISE) orbiting Earth. WISE is slated to be reactivated in September in a quest to discover more near-Earth objects (NEOs). Image Credit: NASA.

NASA announced that the Wide-field Infrared Survey Explorer (WISE) spacecraft, which had been deactivated in 2011, is slated to make a comeback [...]

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 [...]

IBEX Sees Our Solar System's 'Tail'

NASA’s IBEX spacecraft has detected the four-leaf-clover-shaped pattern of our Solar System’s “tail.” Image Credit: NASA

Three years of observations by NASA’s Interstellar Boundary Explorer (IBEX) have shown that the Solar System has a tail shaped like a four-leaf clover. The stream of particles that blows away from the Sun, known as [...]

Scientists to Io: Volcanoes are in the Wrong Spot

Video courtesy of NASA

Jupiter’s moon Io is the most volcanically active world in the solar system, with hundreds of volcanoes, some erupting lava fountains up to 250 miles high (about 400 kilometers). However, concentrations of volcanic activity are significantly displaced from where they are expected to be, based [...]

Where Are the Best Windows Into Europa's Interior?

This graphic of Jupiter’s moon Europa maps a relationship between the amount of energy deposited onto the moon from charged-particle bombardment and the chemical contents of ice deposits on the surface in five areas of the moon (labeled A through E). Image Credit: NASA/JPL-Caltech/Univ. of Ariz./JHUAPL/Univ. of Colo.

The surface of Jupiter’s moon Europa [...]

Blame it on the Rain (from Saturn's Rings)

This artist’s concept illustrates how charged water particles flow into the Saturnian atmosphere from the planet’s rings, causing a reduction in atmospheric brightness. The observations were made with the W.M. Keck Observatory on Mauna Kea, Hawaii, with NASA funding. The analysis was led by the University of Leicester, England. Image Credit: NASA/JPL-Caltech/Space Science Institute/University [...]

Voyager 1 Enters Final Region Of Our Solar System Before Interstellar Space

This artist's concept shows plasma flows around NASA's Voyager 1 spacecraft as it approaches interstellar space. Image Credit: NASA/JPL-Caltech/JHUAPL

This artist’s concept shows plasma flows around NASA’s Voyager 1 spacecraft as it approaches interstellar space. Image Credit: NASA/JPL-Caltech/JHUAPL

NASA’s Voyager 1 spacecraft, which left Earth some 35 years ago, continues on an epic journey across the solar system towards an inevitable crossing into interstellar space.  The spacecraft has travelled farther than any man-made object [...]

Cassini Detects Changes in Titan’s Atmosphere

This artist’s impression of Saturn’s moon, Titan, shows the change in observed atmospheric effects before, during, and after equinox in 2009. The Titan globes also provide an impression of the detached haze layer that extends all around the moon (blue). This image was inspired by data from NASA’s Cassini mission. Image Credit: ESA

PASADENA, [...]