HiRISE Views Splitting Dunes on Mars
This new HiRISE image shows a group of dunes on the surface of Mars. The mound in the center of this image appears to have…
Planetary Science News
HD 106906b Reveals Insights Into How Planets Evolve
New research suggests that HD 106906b formed outside the debris disk, where it’s visible today, as opposed to having been formed inside the debris disk…
Juno Spacecraft Set for Fifth Jupiter Flyby
NASA’s Juno Spacecraft is set to make its fifth flyby over Jupiter’s mysterious cloud tops on Monday, March 27. At the time of closest approach…
New HiRISE Image Reveals Dunes of the Southern Highlands of Mars
This newly released image from HiRISE shows sand dunes in the Southern hemisphere of Mars. Sand dunes are scattered across Mars and one of the…
NASA’s HiRISE Views Gullies in Winter Shadow
This newly released HiRISE image shows gullies on the surface of Mars. This is an odd-looking image. It shows gullies during the winter while entirely…
New Research Shows Ice in Ceres’ Shadowed Craters Linked to Tilt History
Scientists examine the axial tilt of Ceres, finding a correlation between craters that stay in shadow at maximum obliquity and bright deposits that are likely…
HiRISE Views the Colorful Hills of Juventae Chasma
This new HiRISE Image shows the hills of Juventae Chasma on Mars. There are many hills about 1 kilometer (3,280 feet) high in Juventae Chasma,…
NASA’s Cassini Spacecraft Zooms in on Saturn’s A Ring
This newly released Cassini image gives us a closer look at Saturn’s A ring. NASA’s Cassini spacecraft zoomed in on Saturn’s A ring, revealing narrow,…
Earth’s Dinosaurs Went Extinct About the Same Time Arsia Mons Volcanic Activity Ceased
A new study from NASA reveals that the giant Martian shield volcano Arsia Mons produced one new lava flow at its summit every 1 to…
NASA’s HiRISE Views Layered Deposits in Uzboi Vallis
This newly released image from NASA’s high resolution imaging science experiment (HiRISE) shows layered deposits in Uzboi Vallis. Layered deposits in Uzboi Vallis sometimes occur…
Mars Global Surveyor Observes Textured Dust Storms
Astronomers have identified three kinds of textured dust storms on Mars, and found that these textured storms have preferred seasons and locations. Astronomers studying Mars…
New NASA Research Shows Titan Lakes Fizz With Nitrogen
A newly published study details how the hydrocarbon lakes and seas of Saturn’s moon Titan might occasionally erupt with dramatic patches of bubbles. For the…
HiRISE Takes a Closer Look at Holden Crater
This newly released HiRISE image shows the Holden Crater on Mars. Holden Crater in southern Margaritifer Terra displays a series of finely layered deposits on…
Cassini Spacecraft Made Its Final Close Approach to Saturn’s Moon Mimas
This image is from NASA’s Cassini Spacecraft as it made its final close approach to Saturn’s moon Mimas. In its season of “lasts,” NASA’s Cassini…
NASA’s Van Allen Probes Uncover Relativistic Electrons
Since their discovery at the dawn of the Space Age, Earth’s radiation belts continue to reveal new complex structures and behaviors. This visualization shows how…
First Images from ExoMars Mission
The above image is one of the first image pairs taken by the ExoMars high-resolution CaSSIS camera. ExoMars was launched on a Proton-M rocket from…
Cassini Spacecraft Discovers Heat Below the Icy Surface of Enceladus
A newly published study reveals that the south polar region of Saturn’s icy moon Enceladus is warmer than expected just a few feet below its…
Cassini Spacecraft Views Mimas’ Gigantic Crater
This newly released Cassini image shows Mimas’ gigantic crater Herschel near the moon’s limb. A big enough impact could potentially break up a moon. Luckily…