AmericaSpace Launch Countdown

Next Launch ORB-3 on a Antares rocket from Wallops Island, VA
scheduled for:
21 Oct 14 2:29:00 GMT
20 Oct 14 22:29:00 EDT

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It's Back! 'Mystery Island' in Titan Sea Makes Unexpected Reappearance

Three radar images, taken from April 2007 to August 2014, showing how the “mystery island” in Ligeia Mare has changed in appearance over time. Image Credit: NASA/JPL-Caltech/ASI/Cornell

The mystery of an unusual feature in one of Titan’s hydrocarbon seas, dubbed the “mystery island,” has taken an interesting turn. After apparently disappearing following its initial [...]

Plate Tectonics May Increase Chances for Life on Europa

Europa, with its subsurface ocean, and now evidence for plate tectonics, is a primary goal of exploration in the search for alien life. Processed image copyright: Ted Stryk. Image Credit: NASA/JPL-Caltech/Ted Stryk

Jupiter’s moon Europa is a fascinating little world, but particularly so for one reason: water. It’s deep alien ocean underneath the surface [...]

Curiosity Rover Celebrates Second Anniversary on Mars as It Approaches Mountain Goal

A “self-portrait” of the Curiosity rover in Yellowknife Bay, with part of Mount Sharp in the background. Image Credit: NASA/JPL-Caltech

The Curiosity rover has been actively exploring Mars for two years now, and as it celebrated its second anniversary today, Aug. 5, it is also, after a lengthy journey, approaching its primary mission goal: the [...]

Behold Enceladus: Cassini Maps 101 Geysers on Tiny Saturn Moon

The geysers at the south pole of Enceladus, as seen by the Cassini spacecraft. Image Credit: NASA/JPL-Caltech/SSI

Saturn’s moon Enceladus is already known as one of the most intriguing places in our solar system, and now new findings from the Cassini spacecraft have been published, which will only add to our fascination with this little world.

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Titan's Hidden Ocean Might Be as Salty as the Dead Sea

Illustration of what Titan’s interior is thought to look like, with a rigid ice shell above the salty water ocean below. Image Credit: NASA/JPL-Caltech

Saturn’s moon Titan is known for its methane seas, lakes, and rivers; surprisingly Earth-like in appearance yet distinctly alien at the same time. But there is also evidence for another [...]

Cassini at Saturn: 10 Years of Amazing Planetary Science and More to Come

Mosaic image showing Saturn backlit by the Sun, one of the most beautiful and surreal photographs sent back by Cassini. Image Credit: NASA/JPL-Caltech/Space Science Institute

The Cassini mission to Saturn has been one of the most successful and exciting in all of space exploration history. That amazing spacecraft is now celebrating its 10th anniversary today [...]

The Mars Society Calls On Volunteers for 12-Month Simulated Mars Mission Next Year

The Mars Society is calling for additional volunteers for its 2014 Mars Arctic 365 mission at the FMARS facility (pictured above) in Devon Island, Canada. Photo Credit: The Mars Society.

The Mars Society, the world’s largest and most influential non-profit space advocacy organization dedicated to human exploration and settlement of Mars, has issued a call [...]

Mystery Gullies Discovered on Asteroid Vesta

Gullies in the crater Cornelia on Vesta. Image Credit: NASA / JPL-Caltech / UCLA/MPS / DLR / IDA

The Dawn spacecraft left behind the giant asteroid Vesta last September, and is now en route to the even bigger dwarf planet Ceres, but scientists are still busy studying all of the data that was sent [...]

Some Exoplanets May be Even More Habitable Than Earth

Some rocky exoplanets may be warmer and more geologically active than Earth—and perhaps even more habitable. Image Credit: J. Pinfield / RoPACS / University of Hertfordshire

In the search for life elsewhere, the Earth is typically used as a standard against which other planets, or moons, are compared. Since our planet is teeming with [...]

Past Oceans on Mars? Maybe - Maybe Not

Did Mars once have oceans? Dueling theories provide conflicting pasts for the Red Planet. Image Credit: NASA / Goddard Space Flight Center

The debate over the history of water on Mars first began even before the first spacecraft flew by the planet. But after Mariner 4 scientists learned that Mars was currently devoid of [...]