AmericaSpace Launch Countdown

Next Launch GPS IIF-8 on a Atlas V 401 rocket from Cape Canaveral AFB, FL
scheduled for:
29 Oct 14 17:21:00 GMT
29 Oct 14 13:21:00 EDT

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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 [...]

Buzz Aldrin’s Mission to Mars: A Review

Buzz Aldrin has released a book about the topic of a manned mission to Mars. Photo Credit: Julian Leek / Blue Sawtooth Studio

On May 7, veteran astronaut and space advocate Buzz Aldrin releases his new book, Mission to Mars: My Vision for Space Exploration. Co-written with respected space journalist Leonard David, the book [...]

Cassini Sees Meteor Impacts in Saturn's Rings

Just like planets and moons, Saturn’s rings experience frequent meteor impacts.Photo Credit: NASA/JPL

Meteors flashing across the sky are a common sight here on Earth, but of course they are not limited to only our planet; these bits of rocky debris, smaller pieces of asteroids and comets known as meteoroids, can be found just [...]

Comet ISON Meteor Shower

Video courtesy of NASA

Anticipation is building as Comet ISON plunges into the inner solar system for a close encounter with the sun in November 2013. Blasted at point-blank range by solar radiation, the sungrazer will likely become one of the finest comets in many years.

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Will Mars Be Hit By Comet?

Will a comet strike the planet Mars next year? If it does, what does this mean for NASA’s Mars Program? Image Credit: NASA

We might lose one of the two rovers currently roaming Mars, maybe even one of the orbiters that are presently circling the Red Planet—but not due to age or a technical [...]

NEOs: Too Close For Comfort?

Artist’s impression of an asteroid approaching the Earth. Image Credit: Jeff Darling

Be afraid – but not too afraid. It’s true that at some point, if we don’t take steps to prevent it, a big dumb object is going to smash into the Earth so hard that civilization as we know it will be [...]