Interiors of Rocky Exoplanets Might Be Different Than Earth's, According to New Study

Artist’s impression of the Super-Earth-type exoplanet HD 85512 b. As evidenced by the results of a new study, these rocky exoplanets, which are though to be similar to Earth, could have a different internal chemistry instead. Image Credit: ESO/M. Kornmesser/Nick Risinger

The steady stream of terrestrial exoplanet discoveries that have come from NASA’s Kepler […]

MESSENGER Takes First Images of Ice Near Mercury's North Pole

Wide-Angle Camera (WAC) image of Kandinsky crater, near Mercury’s north pole, which contains water ice. The original broadband image is on the left (outlined in yellow), and the brightness and contrast-enhanced version is on the right. Image Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington

The Solar System is full of surprises. […]

Our Home the Earth – As Seen From Saturn and Mercury

Earth, as seen by the Cassini spacecraft on July 19, 2013 (the tiny blue speck in the distance, below Saturn’s rings in this view). Click for larger version. Photo Credit: NASA / JPL-Caltech / SSI / Jason Major

Last Friday, a remarkable thing happened, which received a lot of publicity, especially for space fans: […]

A View of Mercury From Afar

Image Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington

This image of Mercury, acquired by the Mercury Dual Imaging System (MDIS) aboard NASA’s MESSENGER mission on April 23, 2013, allows us to take a step back to view the planet. Prior to the MESSENGER mission, Mercury’s surface was often compared to the […]