AmericaSpace Launch Countdown

Next Launch AsiaSat-6 on a Falcon 9 rocket from Cape Canaveral AFB, FL
scheduled for:
27 Aug 14 4:50:00 GMT
27 Aug 14 0:50:00 EDT

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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 [...]

Solar System's Largest Moon Ganymede May Have 'Club Sandwich' Oceans

Illustration depicting the “club sandwich” layers of oceans and ice in Ganymede’s interior. Image Credit: NASA / JPL-Caltech

Europa and Enceladus, for good reason, have captured the attention and imagination of those searching for evidence of life elsewhere in our Solar System. Both moons are now thought to have subsurface oceans with conditions where [...]

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 [...]

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 [...]