A Very Alien Moon: NASA Celebrates 12th Anniversary of Huygens Landing on Titan

Mosaic of images taken by Huygens during its descent to the surface of Titan, from an altitude of about 6 miles (10 kilometers). Riverbeds formed by liquid methane can be seen near the center of the image. Image Credit: ESA/NASA/JPL/University of Arizona

Twelve years ago today, one of the most incredible space missions ever […]

Geysers on Europa? Hubble Space Telescope Finds More Evidence for Water Vapor Plumes

Composite image showing the possible water vapor plumes near the south pole of Europa, at about the 7 o’clock position. The image of Europa, from the Galileo and Voyager missions, is superimposed on the Hubble data. Image Credit: NASA/ESA/W. Sparks (STScI)/USGS Astrogeology Science Center

Intriguing new findings about Jupiter’s moon Europa were announced today […]

Sinkholes on Titan: New Study Shows How Hydrocarbon Lakes May Form by Earth-Like Erosion

Colored mosaic of lakes near Titan’s north pole. Image Credit: NASA/JPL-Caltech/ASI/USGS

Saturn’s largest moon, Titan, has seas and lakes of liquid methane and ethane dotting its surface, but one question scientists have been trying to figure out is how the hollows in the ground, which hold the lakes, form to begin with. Now, a […]

Searching for Life in Europa's Ocean - With a Tiny Submarine

Artist’s conception of DADU exploring ice-covered waters.Image Credit: Jonas Jonsson / Angstrom Space Technology Centre of Uppsala University

For decades, Jupiter’s moon Europa has been the focus of fascination and debate. Why? Because it has a global ocean—a deep, salty ocean similar to those on Earth, except that in Europa’s case it is always […]